1290702721

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{283}}^1\times {\mathrm{971}}^1$

素因数の和:1333

約数の個数: 32

約数和(自身を含む): 1643037696

約数和(自身を除く): 352334975

約数列:

[1, 7, 11, 61, 77, 283, 427, 671, 971, 1981, 3113, 4697, 6797, 10681, 17263, 21791, 59231, 74767, 120841, 189893, 274793, 414617, 651541, 1329251, 1923551, 3022723, 4560787, 16762373, 21159061, 117336611, 184386103, 1290702721]

約数ペア:

[(1, 1290702721), (7, 184386103), (11, 117336611), (61, 21159061), (77, 16762373), (283, 4560787), (427, 3022723), (671, 1923551), (971, 1329251), (1981, 651541), (3113, 414617), (4697, 274793), (6797, 189893), (10681, 120841), (17263, 74767), (21791, 59231)]