278387172

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{21661}}^1$

素因数の和:21698

約数の個数: 96

約数和(自身を含む): 873411840

約数和(自身を除く): 595024668

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 27, 28, 34, 36, 42, 51, 54, 63, 68, 84, 102, 108, 119, 126, 153, 189, 204, 238, 252, 306, 357, 378, 459, 476, 612, 714, 756, 918, 1071, 1428, 1836, 2142, 3213, 4284, 6426, 12852, 21661, 43322, 64983, 86644, 129966, 151627, 194949, 259932, 303254, 368237, 389898, 454881, 584847, 606508, 736474, 779796, 909762, 1104711, 1169694, 1364643, 1472948, 1819524, 2209422, 2339388, 2577659, 2729286, 3314133, 4093929, 4418844, 5155318, 5458572, 6628266, 7732977, 8187858, 9942399, 10310636, 13256532, 15465954, 16375716, 19884798, 23198931, 30931908, 39769596, 46397862, 69596793, 92795724, 139193586, 278387172]

約数ペア:

[(1, 278387172), (2, 139193586), (3, 92795724), (4, 69596793), (6, 46397862), (7, 39769596), (9, 30931908), (12, 23198931), (14, 19884798), (17, 16375716), (18, 15465954), (21, 13256532), (27, 10310636), (28, 9942399), (34, 8187858), (36, 7732977), (42, 6628266), (51, 5458572), (54, 5155318), (63, 4418844), (68, 4093929), (84, 3314133), (102, 2729286), (108, 2577659), (119, 2339388), (126, 2209422), (153, 1819524), (189, 1472948), (204, 1364643), (238, 1169694), (252, 1104711), (306, 909762), (357, 779796), (378, 736474), (459, 606508), (476, 584847), (612, 454881), (714, 389898), (756, 368237), (918, 303254), (1071, 259932), (1428, 194949), (1836, 151627), (2142, 129966), (3213, 86644), (4284, 64983), (6426, 43322), (12852, 21661)]