290185792

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{11251}}^1$

素因数の和:11307

約数の個数: 56

約数和(自身を含む): 640193792

約数和(自身を除く): 350008000

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 208, 248, 403, 416, 496, 806, 832, 992, 1612, 1984, 3224, 6448, 11251, 12896, 22502, 25792, 45004, 90008, 146263, 180016, 292526, 348781, 360032, 585052, 697562, 720064, 1170104, 1395124, 2340208, 2790248, 4534153, 4680416, 5580496, 9068306, 9360832, 11160992, 18136612, 22321984, 36273224, 72546448, 145092896, 290185792]

約数ペア:

[(1, 290185792), (2, 145092896), (4, 72546448), (8, 36273224), (13, 22321984), (16, 18136612), (26, 11160992), (31, 9360832), (32, 9068306), (52, 5580496), (62, 4680416), (64, 4534153), (104, 2790248), (124, 2340208), (208, 1395124), (248, 1170104), (403, 720064), (416, 697562), (496, 585052), (806, 360032), (832, 348781), (992, 292526), (1612, 180016), (1984, 146263), (3224, 90008), (6448, 45004), (11251, 25792), (12896, 22502)]