207910885

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{1151}}^1$

素因数の和:1573

約数の個数: 32

約数和(自身を含む): 308109312

約数和(自身を除く): 100198427

約数列:

[1, 5, 7, 13, 35, 65, 91, 397, 455, 1151, 1985, 2779, 5161, 5755, 8057, 13895, 14963, 25805, 36127, 40285, 74815, 104741, 180635, 456947, 523705, 2284735, 3198629, 5940311, 15993145, 29701555, 41582177, 207910885]

約数ペア:

[(1, 207910885), (5, 41582177), (7, 29701555), (13, 15993145), (35, 5940311), (65, 3198629), (91, 2284735), (397, 523705), (455, 456947), (1151, 180635), (1985, 104741), (2779, 74815), (5161, 40285), (5755, 36127), (8057, 25805), (13895, 14963)]