16972358

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:141

約数の個数: 64

約数和(自身を含む): 31933440

約数和(自身を除く): 14961082

約数列:

[1, 2, 13, 17, 19, 26, 34, 38, 43, 47, 86, 94, 221, 247, 323, 442, 494, 559, 611, 646, 731, 799, 817, 893, 1118, 1222, 1462, 1598, 1634, 1786, 2021, 4042, 4199, 8398, 9503, 10387, 10621, 11609, 13889, 15181, 19006, 20774, 21242, 23218, 26273, 27778, 30362, 34357, 38399, 52546, 68714, 76798, 180557, 197353, 361114, 394706, 446641, 499187, 652783, 893282, 998374, 1305566, 8486179, 16972358]

約数ペア:

[(1, 16972358), (2, 8486179), (13, 1305566), (17, 998374), (19, 893282), (26, 652783), (34, 499187), (38, 446641), (43, 394706), (47, 361114), (86, 197353), (94, 180557), (221, 76798), (247, 68714), (323, 52546), (442, 38399), (494, 34357), (559, 30362), (611, 27778), (646, 26273), (731, 23218), (799, 21242), (817, 20774), (893, 19006), (1118, 15181), (1222, 13889), (1462, 11609), (1598, 10621), (1634, 10387), (1786, 9503), (2021, 8398), (4042, 4199)]