130458992

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{349}}^1\times {\mathrm{383}}^1$

素因数の和:801

約数の個数: 40

約数和(自身を含む): 258316800

約数和(自身を除く): 127857808

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 349, 383, 488, 698, 766, 976, 1396, 1532, 2792, 3064, 5584, 6128, 21289, 23363, 42578, 46726, 85156, 93452, 133667, 170312, 186904, 267334, 340624, 373808, 534668, 1069336, 2138672, 8153687, 16307374, 32614748, 65229496, 130458992]

約数ペア:

[(1, 130458992), (2, 65229496), (4, 32614748), (8, 16307374), (16, 8153687), (61, 2138672), (122, 1069336), (244, 534668), (349, 373808), (383, 340624), (488, 267334), (698, 186904), (766, 170312), (976, 133667), (1396, 93452), (1532, 85156), (2792, 46726), (3064, 42578), (5584, 23363), (6128, 21289)]