388614849

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{4139}}^1$

素因数の和:4429

約数の個数: 32

約数和(自身を含む): 629544960

約数和(自身を除く): 240930111

約数列:

[1, 3, 7, 17, 21, 51, 119, 263, 357, 789, 1841, 4139, 4471, 5523, 12417, 13413, 28973, 31297, 70363, 86919, 93891, 211089, 492541, 1088557, 1477623, 3265671, 7619899, 18505469, 22859697, 55516407, 129538283, 388614849]

約数ペア:

[(1, 388614849), (3, 129538283), (7, 55516407), (17, 22859697), (21, 18505469), (51, 7619899), (119, 3265671), (263, 1477623), (357, 1088557), (789, 492541), (1841, 211089), (4139, 93891), (4471, 86919), (5523, 70363), (12417, 31297), (13413, 28973)]