291237291376

素因数分解:

$2^4\times {\mathrm{131671}}^1\times {\mathrm{138241}}^1$

素因数の和:269920

約数の個数: 20

約数和(自身を含む): 564280619344

約数和(自身を除く): 273043327968

約数列:

[1, 2, 4, 8, 16, 131671, 138241, 263342, 276482, 526684, 552964, 1053368, 1105928, 2106736, 2211856, 18202330711, 36404661422, 72809322844, 145618645688, 291237291376]

約数ペア:

[(1, 291237291376), (2, 145618645688), (4, 72809322844), (8, 36404661422), (16, 18202330711), (131671, 2211856), (138241, 2106736), (263342, 1105928), (276482, 1053368), (526684, 552964)]