1247899236464

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{62129}}^1\times {\mathrm{17681}}^1$

素因数の和:79889

約数の個数: 40

約数和(自身を含む): 2452036497120

約数和(自身を除く): 1204137260656

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 17681, 35362, 62129, 70724, 124258, 141448, 248516, 282896, 497032, 994064, 1255351, 2510702, 4411159, 5021404, 8822318, 10042808, 17644636, 20085616, 35289272, 70578544, 1098502849, 2197005698, 4394011396, 8788022792, 17576045584, 77993702279, 155987404558, 311974809116, 623949618232, 1247899236464]

約数ペア:

[(1, 1247899236464), (2, 623949618232), (4, 311974809116), (8, 155987404558), (16, 77993702279), (71, 17576045584), (142, 8788022792), (284, 4394011396), (568, 2197005698), (1136, 1098502849), (17681, 70578544), (35362, 35289272), (62129, 20085616), (70724, 17644636), (124258, 10042808), (141448, 8822318), (248516, 5021404), (282896, 4411159), (497032, 2510702), (994064, 1255351)]