1991861552

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{809}}^1\times {\mathrm{4159}}^1$

素因数の和:5013

約数の個数: 40

約数和(自身を含む): 3969388800

約数和(自身を除く): 1977527248

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 809, 1618, 3236, 4159, 6472, 8318, 12944, 16636, 29933, 33272, 59866, 66544, 119732, 153883, 239464, 307766, 478928, 615532, 1231064, 2462128, 3364631, 6729262, 13458524, 26917048, 53834096, 124491347, 248982694, 497965388, 995930776, 1991861552]

約数ペア:

[(1, 1991861552), (2, 995930776), (4, 497965388), (8, 248982694), (16, 124491347), (37, 53834096), (74, 26917048), (148, 13458524), (296, 6729262), (592, 3364631), (809, 2462128), (1618, 1231064), (3236, 615532), (4159, 478928), (6472, 307766), (8318, 239464), (12944, 153883), (16636, 119732), (29933, 66544), (33272, 59866)]