31904968

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{569}}^1$

素因数の和:781

約数の個数: 32

約数和(自身を含む): 61696800

約数和(自身を除く): 29791832

約数列:

[1, 2, 4, 8, 43, 86, 163, 172, 326, 344, 569, 652, 1138, 1304, 2276, 4552, 7009, 14018, 24467, 28036, 48934, 56072, 92747, 97868, 185494, 195736, 370988, 741976, 3988121, 7976242, 15952484, 31904968]

約数ペア:

[(1, 31904968), (2, 15952484), (4, 7976242), (8, 3988121), (43, 741976), (86, 370988), (163, 195736), (172, 185494), (326, 97868), (344, 92747), (569, 56072), (652, 48934), (1138, 28036), (1304, 24467), (2276, 14018), (4552, 7009)]