28191072

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{461}}^1$

素因数の和:501

約数の個数: 144

約数和(自身を含む): 92906352

約数和(自身を除く): 64715280

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 32, 39, 42, 48, 49, 52, 56, 78, 84, 91, 96, 98, 104, 112, 147, 156, 168, 182, 196, 208, 224, 273, 294, 312, 336, 364, 392, 416, 461, 546, 588, 624, 637, 672, 728, 784, 922, 1092, 1176, 1248, 1274, 1383, 1456, 1568, 1844, 1911, 2184, 2352, 2548, 2766, 2912, 3227, 3688, 3822, 4368, 4704, 5096, 5532, 5993, 6454, 7376, 7644, 8736, 9681, 10192, 11064, 11986, 12908, 14752, 15288, 17979, 19362, 20384, 22128, 22589, 23972, 25816, 30576, 35958, 38724, 41951, 44256, 45178, 47944, 51632, 61152, 67767, 71916, 77448, 83902, 90356, 95888, 103264, 125853, 135534, 143832, 154896, 167804, 180712, 191776, 251706, 271068, 287664, 293657, 309792, 335608, 361424, 503412, 542136, 575328, 587314, 671216, 722848, 880971, 1006824, 1084272, 1174628, 1342432, 1761942, 2013648, 2168544, 2349256, 3523884, 4027296, 4698512, 7047768, 9397024, 14095536, 28191072]

約数ペア:

[(1, 28191072), (2, 14095536), (3, 9397024), (4, 7047768), (6, 4698512), (7, 4027296), (8, 3523884), (12, 2349256), (13, 2168544), (14, 2013648), (16, 1761942), (21, 1342432), (24, 1174628), (26, 1084272), (28, 1006824), (32, 880971), (39, 722848), (42, 671216), (48, 587314), (49, 575328), (52, 542136), (56, 503412), (78, 361424), (84, 335608), (91, 309792), (96, 293657), (98, 287664), (104, 271068), (112, 251706), (147, 191776), (156, 180712), (168, 167804), (182, 154896), (196, 143832), (208, 135534), (224, 125853), (273, 103264), (294, 95888), (312, 90356), (336, 83902), (364, 77448), (392, 71916), (416, 67767), (461, 61152), (546, 51632), (588, 47944), (624, 45178), (637, 44256), (672, 41951), (728, 38724), (784, 35958), (922, 30576), (1092, 25816), (1176, 23972), (1248, 22589), (1274, 22128), (1383, 20384), (1456, 19362), (1568, 17979), (1844, 15288), (1911, 14752), (2184, 12908), (2352, 11986), (2548, 11064), (2766, 10192), (2912, 9681), (3227, 8736), (3688, 7644), (3822, 7376), (4368, 6454), (4704, 5993), (5096, 5532)]