31147984

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3917}}^1$

素因数の和:4003

約数の個数: 40

約数和(自身を含む): 69959808

約数和(自身を除く): 38811824

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 112, 142, 284, 497, 568, 994, 1136, 1988, 3917, 3976, 7834, 7952, 15668, 27419, 31336, 54838, 62672, 109676, 219352, 278107, 438704, 556214, 1112428, 1946749, 2224856, 3893498, 4449712, 7786996, 15573992, 31147984]

約数ペア:

[(1, 31147984), (2, 15573992), (4, 7786996), (7, 4449712), (8, 3893498), (14, 2224856), (16, 1946749), (28, 1112428), (56, 556214), (71, 438704), (112, 278107), (142, 219352), (284, 109676), (497, 62672), (568, 54838), (994, 31336), (1136, 27419), (1988, 15668), (3917, 7952), (3976, 7834)]