155559820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{598307}}^1$

素因数の和:598329

約数の個数: 24

約数和(自身を含む): 351805104

約数和(自身を除く): 196245284

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 598307, 1196614, 2393228, 2991535, 5983070, 7777991, 11966140, 15555982, 31111964, 38889955, 77779910, 155559820]

約数ペア:

[(1, 155559820), (2, 77779910), (4, 38889955), (5, 31111964), (10, 15555982), (13, 11966140), (20, 7777991), (26, 5983070), (52, 2991535), (65, 2393228), (130, 1196614), (260, 598307)]