68671696

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{138451}}^1$

素因数の和:138490

約数の個数: 20

約数和(自身を含む): 137344384

約数和(自身を除く): 68672688

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 138451, 276902, 553804, 1107608, 2215216, 4291981, 8583962, 17167924, 34335848, 68671696]

約数ペア:

[(1, 68671696), (2, 34335848), (4, 17167924), (8, 8583962), (16, 4291981), (31, 2215216), (62, 1107608), (124, 553804), (248, 276902), (496, 138451)]