128210290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{51907}}^1$

素因数の和:51946

約数の個数: 32

約数和(自身を含む): 261616320

約数和(自身を除く): 133406030

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 51907, 103814, 259535, 519070, 674791, 986233, 1349582, 1972466, 3373955, 4931165, 6747910, 9862330, 12821029, 25642058, 64105145, 128210290]

約数ペア:

[(1, 128210290), (2, 64105145), (5, 25642058), (10, 12821029), (13, 9862330), (19, 6747910), (26, 4931165), (38, 3373955), (65, 1972466), (95, 1349582), (130, 986233), (190, 674791), (247, 519070), (494, 259535), (1235, 103814), (2470, 51907)]