890243554

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{461}}^1\times {\mathrm{31147}}^1$

素因数の和:31641

約数の個数: 16

約数和(自身を含む): 1381476096

約数和(自身を除く): 491232542

約数列:

[1, 2, 31, 62, 461, 922, 14291, 28582, 31147, 62294, 965557, 1931114, 14358767, 28717534, 445121777, 890243554]

約数ペア:

[(1, 890243554), (2, 445121777), (31, 28717534), (62, 14358767), (461, 1931114), (922, 965557), (14291, 62294), (28582, 31147)]