201531790

素因数分解:

$2^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{90373}}^1$

素因数の和:90603

約数の個数: 16

約数和(自身を含む): 364387968

約数和(自身を除く): 162856178

約数列:

[1, 2, 5, 10, 223, 446, 1115, 2230, 90373, 180746, 451865, 903730, 20153179, 40306358, 100765895, 201531790]

約数ペア:

[(1, 201531790), (2, 100765895), (5, 40306358), (10, 20153179), (223, 903730), (446, 451865), (1115, 180746), (2230, 90373)]