81283376

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{137303}}^1$

素因数の和:137348

約数の個数: 20

約数和(自身を含む): 161744112

約数和(自身を除く): 80460736

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 137303, 274606, 549212, 1098424, 2196848, 5080211, 10160422, 20320844, 40641688, 81283376]

約数ペア:

[(1, 81283376), (2, 40641688), (4, 20320844), (8, 10160422), (16, 5080211), (37, 2196848), (74, 1098424), (148, 549212), (296, 274606), (592, 137303)]