399640536

素因数分解:

$2^3\times 3^2\times {\mathrm{5550563}}^1$

素因数の和:5550575

約数の個数: 24

約数和(自身を含む): 1082359980

約数和(自身を除く): 682719444

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 5550563, 11101126, 16651689, 22202252, 33303378, 44404504, 49955067, 66606756, 99910134, 133213512, 199820268, 399640536]

約数ペア:

[(1, 399640536), (2, 199820268), (3, 133213512), (4, 99910134), (6, 66606756), (8, 49955067), (9, 44404504), (12, 33303378), (18, 22202252), (24, 16651689), (36, 11101126), (72, 5550563)]