678990064

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{1471}}^1\times {\mathrm{1697}}^1$

素因数の和:3193

約数の個数: 40

約数和(自身を含む): 1394696448

約数和(自身を除く): 715706384

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 1471, 1697, 2942, 3394, 5884, 6788, 11768, 13576, 23536, 25007, 27152, 28849, 50014, 57698, 100028, 115396, 200056, 230792, 400112, 461584, 2496287, 4992574, 9985148, 19970296, 39940592, 42436879, 84873758, 169747516, 339495032, 678990064]

約数ペア:

[(1, 678990064), (2, 339495032), (4, 169747516), (8, 84873758), (16, 42436879), (17, 39940592), (34, 19970296), (68, 9985148), (136, 4992574), (272, 2496287), (1471, 461584), (1697, 400112), (2942, 230792), (3394, 200056), (5884, 115396), (6788, 100028), (11768, 57698), (13576, 50014), (23536, 28849), (25007, 27152)]