12861290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:207

約数の個数: 64

約数和(自身を含む): 27095040

約数和(自身を除く): 14233750

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 41, 65, 82, 95, 127, 130, 190, 205, 247, 254, 410, 494, 533, 635, 779, 1066, 1235, 1270, 1558, 1651, 2413, 2470, 2665, 3302, 3895, 4826, 5207, 5330, 7790, 8255, 10127, 10414, 12065, 16510, 20254, 24130, 26035, 31369, 50635, 52070, 62738, 67691, 98933, 101270, 135382, 156845, 197866, 313690, 338455, 494665, 676910, 989330, 1286129, 2572258, 6430645, 12861290]

約数ペア:

[(1, 12861290), (2, 6430645), (5, 2572258), (10, 1286129), (13, 989330), (19, 676910), (26, 494665), (38, 338455), (41, 313690), (65, 197866), (82, 156845), (95, 135382), (127, 101270), (130, 98933), (190, 67691), (205, 62738), (247, 52070), (254, 50635), (410, 31369), (494, 26035), (533, 24130), (635, 20254), (779, 16510), (1066, 12065), (1235, 10414), (1270, 10127), (1558, 8255), (1651, 7790), (2413, 5330), (2470, 5207), (2665, 4826), (3302, 3895)]