390679918

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{701}}^1$

素因数の和:924

約数の個数: 32

約数和(自身を含む): 618658560

約数和(自身を除く): 227978642

約数列:

[1, 2, 31, 62, 89, 101, 178, 202, 701, 1402, 2759, 3131, 5518, 6262, 8989, 17978, 21731, 43462, 62389, 70801, 124778, 141602, 278659, 557318, 1934059, 2194831, 3868118, 4389662, 6301289, 12602578, 195339959, 390679918]

約数ペア:

[(1, 390679918), (2, 195339959), (31, 12602578), (62, 6301289), (89, 4389662), (101, 3868118), (178, 2194831), (202, 1934059), (701, 557318), (1402, 278659), (2759, 141602), (3131, 124778), (5518, 70801), (6262, 62389), (8989, 43462), (17978, 21731)]