1390396

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1$

素因数の和:178

約数の個数: 48

約数和(自身を含む): 3096576

約数和(自身を除く): 1706180

約数列:

[1, 2, 4, 7, 14, 17, 23, 28, 34, 46, 68, 92, 119, 127, 161, 238, 254, 322, 391, 476, 508, 644, 782, 889, 1564, 1778, 2159, 2737, 2921, 3556, 4318, 5474, 5842, 8636, 10948, 11684, 15113, 20447, 30226, 40894, 49657, 60452, 81788, 99314, 198628, 347599, 695198, 1390396]

約数ペア:

[(1, 1390396), (2, 695198), (4, 347599), (7, 198628), (14, 99314), (17, 81788), (23, 60452), (28, 49657), (34, 40894), (46, 30226), (68, 20447), (92, 15113), (119, 11684), (127, 10948), (161, 8636), (238, 5842), (254, 5474), (322, 4318), (391, 3556), (476, 2921), (508, 2737), (644, 2159), (782, 1778), (889, 1564)]