407667338

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{193}}^1\times {\mathrm{593}}^1$

素因数の和:938

約数の個数: 32

約数和(自身を含む): 667907856

約数和(自身を除く): 260240518

約数列:

[1, 2, 13, 26, 137, 193, 274, 386, 593, 1186, 1781, 2509, 3562, 5018, 7709, 15418, 26441, 52882, 81241, 114449, 162482, 228898, 343733, 687466, 1056133, 1487837, 2112266, 2975674, 15679513, 31359026, 203833669, 407667338]

約数ペア:

[(1, 407667338), (2, 203833669), (13, 31359026), (26, 15679513), (137, 2975674), (193, 2112266), (274, 1487837), (386, 1056133), (593, 687466), (1186, 343733), (1781, 228898), (2509, 162482), (3562, 114449), (5018, 81241), (7709, 52882), (15418, 26441)]