64880984

素因数分解:

$2^3\times 7^1\times {\mathrm{113}}^1\times {\mathrm{10253}}^1$

素因数の和:10379

約数の個数: 32

約数和(自身を含む): 140274720

約数和(自身を除く): 75393736

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 113, 226, 452, 791, 904, 1582, 3164, 6328, 10253, 20506, 41012, 71771, 82024, 143542, 287084, 574168, 1158589, 2317178, 4634356, 8110123, 9268712, 16220246, 32440492, 64880984]

約数ペア:

[(1, 64880984), (2, 32440492), (4, 16220246), (7, 9268712), (8, 8110123), (14, 4634356), (28, 2317178), (56, 1158589), (113, 574168), (226, 287084), (452, 143542), (791, 82024), (904, 71771), (1582, 41012), (3164, 20506), (6328, 10253)]