3999287.00000000

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{106739}}^1$

素因数の和:106763

約数の個数: 40

約数和(自身を含む): 185300640

約数和(自身を除く): 118695504

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 106739, 213478, 320217, 426956, 640434, 853912, 1280868, 1387607, 1707824, 2561736, 2775214, 4162821, 5123472, 5550428, 8325642, 11100856, 16651284, 22201712, 33302568, 66605136]

約数ペア:

[(1, 66605136), (2, 33302568), (3, 22201712), (4, 16651284), (6, 11100856), (8, 8325642), (12, 5550428), (13, 5123472), (16, 4162821), (24, 2775214), (26, 2561736), (39, 1707824), (48, 1387607), (52, 1280868), (78, 853912), (104, 640434), (156, 426956), (208, 320217), (312, 213478), (624, 106739)]