31461968

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{1123}}^1$

素因数の和:1251

約数の個数: 40

約数和(自身を含む): 65227968

約数和(自身を除く): 33766000

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 103, 136, 206, 272, 412, 824, 1123, 1648, 1751, 2246, 3502, 4492, 7004, 8984, 14008, 17968, 19091, 28016, 38182, 76364, 115669, 152728, 231338, 305456, 462676, 925352, 1850704, 1966373, 3932746, 7865492, 15730984, 31461968]

約数ペア:

[(1, 31461968), (2, 15730984), (4, 7865492), (8, 3932746), (16, 1966373), (17, 1850704), (34, 925352), (68, 462676), (103, 305456), (136, 231338), (206, 152728), (272, 115669), (412, 76364), (824, 38182), (1123, 28016), (1648, 19091), (1751, 17968), (2246, 14008), (3502, 8984), (4492, 7004)]