42121555

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1$

素因数の和:399

約数の個数: 32

約数和(自身を含む): 59875200

約数和(自身を除く): 17753645

約数列:

[1, 5, 7, 35, 41, 149, 197, 205, 287, 745, 985, 1043, 1379, 1435, 5215, 6109, 6895, 8077, 29353, 30545, 40385, 42763, 56539, 146765, 205471, 213815, 282695, 1027355, 1203473, 6017365, 8424311, 42121555]

約数ペア:

[(1, 42121555), (5, 8424311), (7, 6017365), (35, 1203473), (41, 1027355), (149, 282695), (197, 213815), (205, 205471), (287, 146765), (745, 56539), (985, 42763), (1043, 40385), (1379, 30545), (1435, 29353), (5215, 8077), (6109, 6895)]