31243810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{1613}}^1$

素因数の和:1782

約数の個数: 32

約数和(自身を含む): 61009200

約数和(自身を除く): 29765390

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 149, 298, 745, 1490, 1613, 1937, 3226, 3874, 8065, 9685, 16130, 19370, 20969, 41938, 104845, 209690, 240337, 480674, 1201685, 2403370, 3124381, 6248762, 15621905, 31243810]

約数ペア:

[(1, 31243810), (2, 15621905), (5, 6248762), (10, 3124381), (13, 2403370), (26, 1201685), (65, 480674), (130, 240337), (149, 209690), (298, 104845), (745, 41938), (1490, 20969), (1613, 19370), (1937, 16130), (3226, 9685), (3874, 8065)]