137872465

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{647}}^1$

素因数の和:801

約数の個数: 32

約数和(自身を含む): 184757760

約数和(自身を除く): 46885295

約数列:

[1, 5, 17, 23, 85, 109, 115, 391, 545, 647, 1853, 1955, 2507, 3235, 9265, 10999, 12535, 14881, 42619, 54995, 70523, 74405, 213095, 252977, 352615, 1198891, 1264885, 1622029, 5994455, 8110145, 27574493, 137872465]

約数ペア:

[(1, 137872465), (5, 27574493), (17, 8110145), (23, 5994455), (85, 1622029), (109, 1264885), (115, 1198891), (391, 352615), (545, 252977), (647, 213095), (1853, 74405), (1955, 70523), (2507, 54995), (3235, 42619), (9265, 14881), (10999, 12535)]