1289992

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1$

素因数の和:261

約数の個数: 32

約数和(自身を含む): 2682720

約数和(自身を除く): 1392728

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 107, 137, 214, 274, 428, 548, 856, 1096, 1177, 1507, 2354, 3014, 4708, 6028, 9416, 12056, 14659, 29318, 58636, 117272, 161249, 322498, 644996, 1289992]

約数ペア:

[(1, 1289992), (2, 644996), (4, 322498), (8, 161249), (11, 117272), (22, 58636), (44, 29318), (88, 14659), (107, 12056), (137, 9416), (214, 6028), (274, 4708), (428, 3014), (548, 2354), (856, 1507), (1096, 1177)]