208780976

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{449959}}^1$

素因数の和:449996

約数の個数: 20

約数和(自身を含む): 418462800

約数和(自身を除く): 209681824

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 449959, 899918, 1799836, 3599672, 7199344, 13048811, 26097622, 52195244, 104390488, 208780976]

約数ペア:

[(1, 208780976), (2, 104390488), (4, 52195244), (8, 26097622), (16, 13048811), (29, 7199344), (58, 3599672), (116, 1799836), (232, 899918), (464, 449959)]