664702438

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{419}}^1\times {\mathrm{34487}}^1$

素因数の和:34931

約数の個数: 16

約数和(自身を含む): 1042917120

約数和(自身を除く): 378214682

約数列:

[1, 2, 23, 46, 419, 838, 9637, 19274, 34487, 68974, 793201, 1586402, 14450053, 28900106, 332351219, 664702438]

約数ペア:

[(1, 664702438), (2, 332351219), (23, 28900106), (46, 14450053), (419, 1586402), (838, 793201), (9637, 68974), (19274, 34487)]