319720156

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{671681}}^1$

素因数の和:671709

約数の個数: 24

約数和(自身を含む): 677055456

約数和(自身を除く): 357335300

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 671681, 1343362, 2686724, 4701767, 9403534, 11418577, 18807068, 22837154, 45674308, 79930039, 159860078, 319720156]

約数ペア:

[(1, 319720156), (2, 159860078), (4, 79930039), (7, 45674308), (14, 22837154), (17, 18807068), (28, 11418577), (34, 9403534), (68, 4701767), (119, 2686724), (238, 1343362), (476, 671681)]