31159790

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1\times {\mathrm{223}}^1$

素因数の和:476

約数の個数: 32

約数和(自身を含む): 57335040

約数和(自身を除く): 26175250

約数列:

[1, 2, 5, 10, 89, 157, 178, 223, 314, 445, 446, 785, 890, 1115, 1570, 2230, 13973, 19847, 27946, 35011, 39694, 69865, 70022, 99235, 139730, 175055, 198470, 350110, 3115979, 6231958, 15579895, 31159790]

約数ペア:

[(1, 31159790), (2, 15579895), (5, 6231958), (10, 3115979), (89, 350110), (157, 198470), (178, 175055), (223, 139730), (314, 99235), (445, 70022), (446, 69865), (785, 39694), (890, 35011), (1115, 27946), (1570, 19847), (2230, 13973)]