40987654

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{163}}^1\times {\mathrm{2131}}^1$

素因数の和:2355

約数の個数: 16

約数和(自身を含む): 62936640

約数和(自身を除く): 21948986

約数列:

[1, 2, 59, 118, 163, 326, 2131, 4262, 9617, 19234, 125729, 251458, 347353, 694706, 20493827, 40987654]

約数ペア:

[(1, 40987654), (2, 20493827), (59, 694706), (118, 347353), (163, 251458), (326, 125729), (2131, 19234), (4262, 9617)]