277115905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1\times {\mathrm{409}}^1$

素因数の和:649

約数の個数: 32

約数和(自身を含む): 370298880

約数和(自身を除く): 93182975

約数列:

[1, 5, 11, 55, 97, 127, 409, 485, 635, 1067, 1397, 2045, 4499, 5335, 6985, 12319, 22495, 39673, 51943, 61595, 135509, 198365, 259715, 436403, 571373, 677545, 2182015, 2856865, 5038471, 25192355, 55423181, 277115905]

約数ペア:

[(1, 277115905), (5, 55423181), (11, 25192355), (55, 5038471), (97, 2856865), (127, 2182015), (409, 677545), (485, 571373), (635, 436403), (1067, 259715), (1397, 198365), (2045, 135509), (4499, 61595), (5335, 51943), (6985, 39673), (12319, 22495)]