1901858

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:218

約数の個数: 32

約数和(自身を含む): 3535488

約数和(自身を除く): 1633630

約数列:

[1, 2, 7, 14, 17, 34, 61, 119, 122, 131, 238, 262, 427, 854, 917, 1037, 1834, 2074, 2227, 4454, 7259, 7991, 14518, 15589, 15982, 31178, 55937, 111874, 135847, 271694, 950929, 1901858]

約数ペア:

[(1, 1901858), (2, 950929), (7, 271694), (14, 135847), (17, 111874), (34, 55937), (61, 31178), (119, 15982), (122, 15589), (131, 14518), (238, 7991), (262, 7259), (427, 4454), (854, 2227), (917, 2074), (1037, 1834)]