1625744

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:207

約数の個数: 40

約数和(自身を含む): 3437280

約数和(自身を除く): 1811536

約数列:

[1, 2, 4, 8, 16, 17, 34, 43, 68, 86, 136, 139, 172, 272, 278, 344, 556, 688, 731, 1112, 1462, 2224, 2363, 2924, 4726, 5848, 5977, 9452, 11696, 11954, 18904, 23908, 37808, 47816, 95632, 101609, 203218, 406436, 812872, 1625744]

約数ペア:

[(1, 1625744), (2, 812872), (4, 406436), (8, 203218), (16, 101609), (17, 95632), (34, 47816), (43, 37808), (68, 23908), (86, 18904), (136, 11954), (139, 11696), (172, 9452), (272, 5977), (278, 5848), (344, 4726), (556, 2924), (688, 2363), (731, 2224), (1112, 1462)]