981567379

素因数分解:

${\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:284

約数の個数: 48

約数和(自身を含む): 1180569600

約数和(自身を除く): 199002221

約数列:

[1, 13, 19, 29, 83, 127, 169, 247, 377, 551, 1079, 1577, 1651, 2407, 2413, 3211, 3683, 4901, 7163, 10541, 14027, 20501, 21463, 31291, 31369, 45733, 47879, 69977, 93119, 137033, 200279, 266513, 305689, 406783, 407797, 594529, 622427, 909701, 1781429, 2603627, 3973957, 5808091, 7728877, 11826113, 33847151, 51661441, 75505183, 981567379]

約数ペア:

[(1, 981567379), (13, 75505183), (19, 51661441), (29, 33847151), (83, 11826113), (127, 7728877), (169, 5808091), (247, 3973957), (377, 2603627), (551, 1781429), (1079, 909701), (1577, 622427), (1651, 594529), (2407, 407797), (2413, 406783), (3211, 305689), (3683, 266513), (4901, 200279), (7163, 137033), (10541, 93119), (14027, 69977), (20501, 47879), (21463, 45733), (31291, 31369)]