291785128

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{12227}}^1$

素因数の和:12409

約数の個数: 32

約数和(自身を含む): 579607200

約数和(自身を除く): 287822072

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 157, 314, 628, 1256, 2983, 5966, 11932, 12227, 23864, 24454, 48908, 97816, 232313, 464626, 929252, 1858504, 1919639, 3839278, 7678556, 15357112, 36473141, 72946282, 145892564, 291785128]

約数ペア:

[(1, 291785128), (2, 145892564), (4, 72946282), (8, 36473141), (19, 15357112), (38, 7678556), (76, 3839278), (152, 1919639), (157, 1858504), (314, 929252), (628, 464626), (1256, 232313), (2983, 97816), (5966, 48908), (11932, 24454), (12227, 23864)]