639751248

素因数分解:

$2^4\times 3^2\times {\mathrm{43}}^1\times {\mathrm{103319}}^1$

素因数の和:103376

約数の個数: 60

約数和(自身を含む): 1832070240

約数和(自身を除く): 1192318992

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 43, 48, 72, 86, 129, 144, 172, 258, 344, 387, 516, 688, 774, 1032, 1548, 2064, 3096, 6192, 103319, 206638, 309957, 413276, 619914, 826552, 929871, 1239828, 1653104, 1859742, 2479656, 3719484, 4442717, 4959312, 7438968, 8885434, 13328151, 14877936, 17770868, 26656302, 35541736, 39984453, 53312604, 71083472, 79968906, 106625208, 159937812, 213250416, 319875624, 639751248]

約数ペア:

[(1, 639751248), (2, 319875624), (3, 213250416), (4, 159937812), (6, 106625208), (8, 79968906), (9, 71083472), (12, 53312604), (16, 39984453), (18, 35541736), (24, 26656302), (36, 17770868), (43, 14877936), (48, 13328151), (72, 8885434), (86, 7438968), (129, 4959312), (144, 4442717), (172, 3719484), (258, 2479656), (344, 1859742), (387, 1653104), (516, 1239828), (688, 929871), (774, 826552), (1032, 619914), (1548, 413276), (2064, 309957), (3096, 206638), (6192, 103319)]