1640398544

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{44021}}^1$

素因数の和:44183

約数の個数: 40

約数和(自身を含む): 3389870088

約数和(自身を除く): 1749471544

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 137, 272, 274, 548, 1096, 2192, 2329, 4658, 9316, 18632, 37264, 44021, 88042, 176084, 352168, 704336, 748357, 1496714, 2993428, 5986856, 6030877, 11973712, 12061754, 24123508, 48247016, 96494032, 102524909, 205049818, 410099636, 820199272, 1640398544]

約数ペア:

[(1, 1640398544), (2, 820199272), (4, 410099636), (8, 205049818), (16, 102524909), (17, 96494032), (34, 48247016), (68, 24123508), (136, 12061754), (137, 11973712), (272, 6030877), (274, 5986856), (548, 2993428), (1096, 1496714), (2192, 748357), (2329, 704336), (4658, 352168), (9316, 176084), (18632, 88042), (37264, 44021)]