81712696

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{229}}^1$

素因数の和:368

約数の個数: 64

約数和(自身を含む): 171561600

約数和(自身を除く): 89848904

約数列:

[1, 2, 4, 8, 13, 26, 47, 52, 73, 94, 104, 146, 188, 229, 292, 376, 458, 584, 611, 916, 949, 1222, 1832, 1898, 2444, 2977, 3431, 3796, 4888, 5954, 6862, 7592, 10763, 11908, 13724, 16717, 21526, 23816, 27448, 33434, 43052, 44603, 66868, 86104, 89206, 133736, 139919, 178412, 217321, 279838, 356824, 434642, 559676, 785699, 869284, 1119352, 1571398, 1738568, 3142796, 6285592, 10214087, 20428174, 40856348, 81712696]

約数ペア:

[(1, 81712696), (2, 40856348), (4, 20428174), (8, 10214087), (13, 6285592), (26, 3142796), (47, 1738568), (52, 1571398), (73, 1119352), (94, 869284), (104, 785699), (146, 559676), (188, 434642), (229, 356824), (292, 279838), (376, 217321), (458, 178412), (584, 139919), (611, 133736), (916, 89206), (949, 86104), (1222, 66868), (1832, 44603), (1898, 43052), (2444, 33434), (2977, 27448), (3431, 23816), (3796, 21526), (4888, 16717), (5954, 13724), (6862, 11908), (7592, 10763)]