221337304

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{310867}}^1$

素因数の和:310962

約数の個数: 16

約数和(自身を含む): 419671800

約数和(自身を除く): 198334496

約数列:

[1, 2, 4, 8, 89, 178, 356, 712, 310867, 621734, 1243468, 2486936, 27667163, 55334326, 110668652, 221337304]

約数ペア:

[(1, 221337304), (2, 110668652), (4, 55334326), (8, 27667163), (89, 2486936), (178, 1243468), (356, 621734), (712, 310867)]