209675212

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{317}}^1$

素因数の和:546

約数の個数: 48

約数和(自身を含む): 398115648

約数和(自身を除く): 188440436

約数列:

[1, 2, 4, 17, 34, 68, 71, 137, 142, 274, 284, 317, 548, 634, 1207, 1268, 2329, 2414, 4658, 4828, 5389, 9316, 9727, 10778, 19454, 21556, 22507, 38908, 43429, 45014, 86858, 90028, 165359, 173716, 330718, 382619, 661436, 738293, 765238, 1476586, 1530476, 2953172, 3083459, 6166918, 12333836, 52418803, 104837606, 209675212]

約数ペア:

[(1, 209675212), (2, 104837606), (4, 52418803), (17, 12333836), (34, 6166918), (68, 3083459), (71, 2953172), (137, 1530476), (142, 1476586), (274, 765238), (284, 738293), (317, 661436), (548, 382619), (634, 330718), (1207, 173716), (1268, 165359), (2329, 90028), (2414, 86858), (4658, 45014), (4828, 43429), (5389, 38908), (9316, 22507), (9727, 21556), (10778, 19454)]