31311280946

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{257}}^1\times {\mathrm{39841}}^1$

素因数の和:40250

約数の個数: 32

約数和(自身を含む): 51807349440

約数和(自身を除く): 20496068494

約数列:

[1, 2, 11, 22, 139, 257, 278, 514, 1529, 2827, 3058, 5654, 35723, 39841, 71446, 79682, 392953, 438251, 785906, 876502, 5537899, 10239137, 11075798, 20478274, 60916889, 112630507, 121833778, 225261014, 1423240043, 2846480086, 15655640473, 31311280946]

約数ペア:

[(1, 31311280946), (2, 15655640473), (11, 2846480086), (22, 1423240043), (139, 225261014), (257, 121833778), (278, 112630507), (514, 60916889), (1529, 20478274), (2827, 11075798), (3058, 10239137), (5654, 5537899), (35723, 876502), (39841, 785906), (71446, 438251), (79682, 392953)]