216834020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{833977}}^1$

素因数の和:833999

約数の個数: 24

約数和(自身を含む): 490379064

約数和(自身を除く): 273545044

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 833977, 1667954, 3335908, 4169885, 8339770, 10841701, 16679540, 21683402, 43366804, 54208505, 108417010, 216834020]

約数ペア:

[(1, 216834020), (2, 108417010), (4, 54208505), (5, 43366804), (10, 21683402), (13, 16679540), (20, 10841701), (26, 8339770), (52, 4169885), (65, 3335908), (130, 1667954), (260, 833977)]