86643970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{1931}}^1$

素因数の和:2586

約数の個数: 32

約数和(自身を含む): 178609536

約数和(自身を除く): 91965566

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 641, 1282, 1931, 3205, 3862, 4487, 6410, 8974, 9655, 13517, 19310, 22435, 27034, 44870, 67585, 135170, 1237771, 2475542, 6188855, 8664397, 12377710, 17328794, 43321985, 86643970]

約数ペア:

[(1, 86643970), (2, 43321985), (5, 17328794), (7, 12377710), (10, 8664397), (14, 6188855), (35, 2475542), (70, 1237771), (641, 135170), (1282, 67585), (1931, 44870), (3205, 27034), (3862, 22435), (4487, 19310), (6410, 13517), (8974, 9655)]