203421505

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{2053}}^1$

素因数の和:2233

約数の個数: 32

約数和(自身を含む): 295776000

約数和(自身を除く): 92354495

約数列:

[1, 5, 7, 19, 35, 95, 133, 149, 665, 745, 1043, 2053, 2831, 5215, 10265, 14155, 14371, 19817, 39007, 71855, 99085, 195035, 273049, 305897, 1365245, 1529485, 2141279, 5812043, 10706395, 29060215, 40684301, 203421505]

約数ペア:

[(1, 203421505), (5, 40684301), (7, 29060215), (19, 10706395), (35, 5812043), (95, 2141279), (133, 1529485), (149, 1365245), (665, 305897), (745, 273049), (1043, 195035), (2053, 99085), (2831, 71855), (5215, 39007), (10265, 19817), (14155, 14371)]