31819810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{12577}}^1$

素因数の和:12618

約数の個数: 32

約数和(自身を含む): 65204352

約数和(自身を除く): 33384542

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 12577, 25154, 62885, 125770, 138347, 276694, 289271, 578542, 691735, 1383470, 1446355, 2892710, 3181981, 6363962, 15909905, 31819810]

約数ペア:

[(1, 31819810), (2, 15909905), (5, 6363962), (10, 3181981), (11, 2892710), (22, 1446355), (23, 1383470), (46, 691735), (55, 578542), (110, 289271), (115, 276694), (230, 138347), (253, 125770), (506, 62885), (1265, 25154), (2530, 12577)]