81129136

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{4229}}^1$

素因数の和:4357

約数の個数: 40

約数和(自身を含む): 173091600

約数和(自身を除く): 91962464

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 109, 176, 218, 436, 872, 1199, 1744, 2398, 4229, 4796, 8458, 9592, 16916, 19184, 33832, 46519, 67664, 93038, 186076, 372152, 460961, 744304, 921922, 1843844, 3687688, 5070571, 7375376, 10141142, 20282284, 40564568, 81129136]

約数ペア:

[(1, 81129136), (2, 40564568), (4, 20282284), (8, 10141142), (11, 7375376), (16, 5070571), (22, 3687688), (44, 1843844), (88, 921922), (109, 744304), (176, 460961), (218, 372152), (436, 186076), (872, 93038), (1199, 67664), (1744, 46519), (2398, 33832), (4229, 19184), (4796, 16916), (8458, 9592)]