389308843

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1\times {\mathrm{443}}^1$

素因数の和:675

約数の個数: 32

約数和(自身を含む): 495631872

約数和(自身を除く): 106323029

約数列:

[1, 7, 11, 77, 101, 113, 443, 707, 791, 1111, 1243, 3101, 4873, 7777, 8701, 11413, 34111, 44743, 50059, 79891, 125543, 313201, 350413, 492173, 550649, 878801, 3445211, 3854543, 5055959, 35391713, 55615549, 389308843]

約数ペア:

[(1, 389308843), (7, 55615549), (11, 35391713), (77, 5055959), (101, 3854543), (113, 3445211), (443, 878801), (707, 550649), (791, 492173), (1111, 350413), (1243, 313201), (3101, 125543), (4873, 79891), (7777, 50059), (8701, 44743), (11413, 34111)]