30918376

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{311}}^1$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 63217440

約数和(自身を除く): 32299064

約数列:

[1, 2, 4, 8, 17, 34, 43, 68, 86, 136, 172, 289, 311, 344, 578, 622, 731, 1156, 1244, 1462, 2312, 2488, 2924, 5287, 5848, 10574, 12427, 13373, 21148, 24854, 26746, 42296, 49708, 53492, 89879, 99416, 106984, 179758, 227341, 359516, 454682, 719032, 909364, 1818728, 3864797, 7729594, 15459188, 30918376]

約数ペア:

[(1, 30918376), (2, 15459188), (4, 7729594), (8, 3864797), (17, 1818728), (34, 909364), (43, 719032), (68, 454682), (86, 359516), (136, 227341), (172, 179758), (289, 106984), (311, 99416), (344, 89879), (578, 53492), (622, 49708), (731, 42296), (1156, 26746), (1244, 24854), (1462, 21148), (2312, 13373), (2488, 12427), (2924, 10574), (5287, 5848)]