641569448

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{14723}}^1$

素因数の和:15161

約数の個数: 32

約数和(自身を含む): 1298656800

約数和(自身を除く): 657087352

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 419, 838, 1676, 3352, 5447, 10894, 14723, 21788, 29446, 43576, 58892, 117784, 191399, 382798, 765596, 1531192, 6168937, 12337874, 24675748, 49351496, 80196181, 160392362, 320784724, 641569448]

約数ペア:

[(1, 641569448), (2, 320784724), (4, 160392362), (8, 80196181), (13, 49351496), (26, 24675748), (52, 12337874), (104, 6168937), (419, 1531192), (838, 765596), (1676, 382798), (3352, 191399), (5447, 117784), (10894, 58892), (14723, 43576), (21788, 29446)]