31078528

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{983}}^1$

素因数の和:1029

約数の個数: 64

約数和(自身を含む): 70257600

約数和(自身を除く): 39179072

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 104, 128, 152, 208, 247, 304, 416, 494, 608, 832, 983, 988, 1216, 1664, 1966, 1976, 2432, 3932, 3952, 7864, 7904, 12779, 15728, 15808, 18677, 25558, 31456, 31616, 37354, 51116, 62912, 74708, 102232, 125824, 149416, 204464, 242801, 298832, 408928, 485602, 597664, 817856, 971204, 1195328, 1635712, 1942408, 2390656, 3884816, 7769632, 15539264, 31078528]

約数ペア:

[(1, 31078528), (2, 15539264), (4, 7769632), (8, 3884816), (13, 2390656), (16, 1942408), (19, 1635712), (26, 1195328), (32, 971204), (38, 817856), (52, 597664), (64, 485602), (76, 408928), (104, 298832), (128, 242801), (152, 204464), (208, 149416), (247, 125824), (304, 102232), (416, 74708), (494, 62912), (608, 51116), (832, 37354), (983, 31616), (988, 31456), (1216, 25558), (1664, 18677), (1966, 15808), (1976, 15728), (2432, 12779), (3932, 7904), (3952, 7864)]