1277778888

素因数分解:

$2^3\times 3^4\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{601}}^1$

素因数の和:829

約数の個数: 160

約数和(自身を含む): 3815463960

約数和(自身を除く): 2537685072

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 27, 34, 36, 51, 54, 68, 72, 81, 102, 108, 136, 153, 162, 193, 204, 216, 306, 324, 386, 408, 459, 579, 601, 612, 648, 772, 918, 1158, 1202, 1224, 1377, 1544, 1737, 1803, 1836, 2316, 2404, 2754, 3281, 3474, 3606, 3672, 4632, 4808, 5211, 5409, 5508, 6562, 6948, 7212, 9843, 10217, 10422, 10818, 11016, 13124, 13896, 14424, 15633, 16227, 19686, 20434, 20844, 21636, 26248, 29529, 30651, 31266, 32454, 39372, 40868, 41688, 43272, 48681, 59058, 61302, 62532, 64908, 78744, 81736, 88587, 91953, 97362, 115993, 118116, 122604, 125064, 129816, 177174, 183906, 194724, 231986, 236232, 245208, 265761, 275859, 347979, 354348, 367812, 389448, 463972, 531522, 551718, 695958, 708696, 735624, 827577, 927944, 1043937, 1063044, 1103436, 1391916, 1655154, 1971881, 2087874, 2126088, 2206872, 2783832, 3131811, 3310308, 3943762, 4175748, 5915643, 6263622, 6620616, 7887524, 8351496, 9395433, 11831286, 12527244, 15775048, 17746929, 18790866, 23662572, 25054488, 35493858, 37581732, 47325144, 53240787, 70987716, 75163464, 106481574, 141975432, 159722361, 212963148, 319444722, 425926296, 638889444, 1277778888]

約数ペア:

[(1, 1277778888), (2, 638889444), (3, 425926296), (4, 319444722), (6, 212963148), (8, 159722361), (9, 141975432), (12, 106481574), (17, 75163464), (18, 70987716), (24, 53240787), (27, 47325144), (34, 37581732), (36, 35493858), (51, 25054488), (54, 23662572), (68, 18790866), (72, 17746929), (81, 15775048), (102, 12527244), (108, 11831286), (136, 9395433), (153, 8351496), (162, 7887524), (193, 6620616), (204, 6263622), (216, 5915643), (306, 4175748), (324, 3943762), (386, 3310308), (408, 3131811), (459, 2783832), (579, 2206872), (601, 2126088), (612, 2087874), (648, 1971881), (772, 1655154), (918, 1391916), (1158, 1103436), (1202, 1063044), (1224, 1043937), (1377, 927944), (1544, 827577), (1737, 735624), (1803, 708696), (1836, 695958), (2316, 551718), (2404, 531522), (2754, 463972), (3281, 389448), (3474, 367812), (3606, 354348), (3672, 347979), (4632, 275859), (4808, 265761), (5211, 245208), (5409, 236232), (5508, 231986), (6562, 194724), (6948, 183906), (7212, 177174), (9843, 129816), (10217, 125064), (10422, 122604), (10818, 118116), (11016, 115993), (13124, 97362), (13896, 91953), (14424, 88587), (15633, 81736), (16227, 78744), (19686, 64908), (20434, 62532), (20844, 61302), (21636, 59058), (26248, 48681), (29529, 43272), (30651, 41688), (31266, 40868), (32454, 39372)]