665507926

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{211}}^1\times {\mathrm{251}}^1$

素因数の和:628

約数の個数: 32

約数和(自身を含む): 1033433856

約数和(自身を除く): 367925930

約数列:

[1, 2, 61, 103, 122, 206, 211, 251, 422, 502, 6283, 12566, 12871, 15311, 21733, 25742, 25853, 30622, 43466, 51706, 52961, 105922, 1325713, 1577033, 2651426, 3154066, 3230621, 5454983, 6461242, 10909966, 332753963, 665507926]

約数ペア:

[(1, 665507926), (2, 332753963), (61, 10909966), (103, 6461242), (122, 5454983), (206, 3230621), (211, 3154066), (251, 2651426), (422, 1577033), (502, 1325713), (6283, 105922), (12566, 52961), (12871, 51706), (15311, 43466), (21733, 30622), (25742, 25853)]