3884816

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{983}}^1$

素因数の和:1023

約数の個数: 40

約数和(自身を含む): 8541120

約数和(自身を除く): 4656304

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 983, 988, 1966, 1976, 3932, 3952, 7864, 12779, 15728, 18677, 25558, 37354, 51116, 74708, 102232, 149416, 204464, 242801, 298832, 485602, 971204, 1942408, 3884816]

約数ペア:

[(1, 3884816), (2, 1942408), (4, 971204), (8, 485602), (13, 298832), (16, 242801), (19, 204464), (26, 149416), (38, 102232), (52, 74708), (76, 51116), (104, 37354), (152, 25558), (208, 18677), (247, 15728), (304, 12779), (494, 7864), (983, 3952), (988, 3932), (1966, 1976)]