1279430032

素因数分解:

$2^4\times {\mathrm{163}}^1\times {\mathrm{490579}}^1$

素因数の和:490750

約数の個数: 20

約数和(自身を含む): 2494108720

約数和(自身を除く): 1214678688

約数列:

[1, 2, 4, 8, 16, 163, 326, 652, 1304, 2608, 490579, 981158, 1962316, 3924632, 7849264, 79964377, 159928754, 319857508, 639715016, 1279430032]

約数ペア:

[(1, 1279430032), (2, 639715016), (4, 319857508), (8, 159928754), (16, 79964377), (163, 7849264), (326, 3924632), (652, 1962316), (1304, 981158), (2608, 490579)]