311915630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{26959}}^1$

素因数の和:27068

約数の個数: 32

約数和(自身を含む): 611452800

約数和(自身を除く): 299537170

約数列:

[1, 2, 5, 10, 13, 26, 65, 89, 130, 178, 445, 890, 1157, 2314, 5785, 11570, 26959, 53918, 134795, 269590, 350467, 700934, 1752335, 2399351, 3504670, 4798702, 11996755, 23993510, 31191563, 62383126, 155957815, 311915630]

約数ペア:

[(1, 311915630), (2, 155957815), (5, 62383126), (10, 31191563), (13, 23993510), (26, 11996755), (65, 4798702), (89, 3504670), (130, 2399351), (178, 1752335), (445, 700934), (890, 350467), (1157, 269590), (2314, 134795), (5785, 53918), (11570, 26959)]