820199272

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{44021}}^1$

素因数の和:44181

約数の個数: 32

約数和(自身を含む): 1640259720

約数和(自身を除く): 820060448

約数列:

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

約数ペア:

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