51147890

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1\times {\mathrm{439}}^1$

素因数の和:698

約数の個数: 32

約数和(自身を含む): 94279680

約数和(自身を除く): 43131790

約数列:

[1, 2, 5, 10, 61, 122, 191, 305, 382, 439, 610, 878, 955, 1910, 2195, 4390, 11651, 23302, 26779, 53558, 58255, 83849, 116510, 133895, 167698, 267790, 419245, 838490, 5114789, 10229578, 25573945, 51147890]

約数ペア:

[(1, 51147890), (2, 25573945), (5, 10229578), (10, 5114789), (61, 838490), (122, 419245), (191, 267790), (305, 167698), (382, 133895), (439, 116510), (610, 83849), (878, 58255), (955, 53558), (1910, 26779), (2195, 23302), (4390, 11651)]