28578836

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2939}}^1$

素因数の和:2984

約数の個数: 48

約数和(自身を含む): 62233920

約数和(自身を除く): 33655084

約数列:

[1, 2, 4, 11, 13, 17, 22, 26, 34, 44, 52, 68, 143, 187, 221, 286, 374, 442, 572, 748, 884, 2431, 2939, 4862, 5878, 9724, 11756, 32329, 38207, 49963, 64658, 76414, 99926, 129316, 152828, 199852, 420277, 549593, 649519, 840554, 1099186, 1299038, 1681108, 2198372, 2598076, 7144709, 14289418, 28578836]

約数ペア:

[(1, 28578836), (2, 14289418), (4, 7144709), (11, 2598076), (13, 2198372), (17, 1681108), (22, 1299038), (26, 1099186), (34, 840554), (44, 649519), (52, 549593), (68, 420277), (143, 199852), (187, 152828), (221, 129316), (286, 99926), (374, 76414), (442, 64658), (572, 49963), (748, 38207), (884, 32329), (2431, 11756), (2939, 9724), (4862, 5878)]