156746990

素因数分解:

$2^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{251}}^1\times {\mathrm{317}}^1$

素因数の和:772

約数の個数: 32

約数和(自身を含む): 285604704

約数和(自身を除く): 128857714

約数列:

[1, 2, 5, 10, 197, 251, 317, 394, 502, 634, 985, 1255, 1585, 1970, 2510, 3170, 49447, 62449, 79567, 98894, 124898, 159134, 247235, 312245, 397835, 494470, 624490, 795670, 15674699, 31349398, 78373495, 156746990]

約数ペア:

[(1, 156746990), (2, 78373495), (5, 31349398), (10, 15674699), (197, 795670), (251, 624490), (317, 494470), (394, 397835), (502, 312245), (634, 247235), (985, 159134), (1255, 124898), (1585, 98894), (1970, 79567), (2510, 62449), (3170, 49447)]