678664576

素因数分解:

$2^7\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{1409}}^1$

素因数の和:1547

約数の個数: 64

約数和(自身を含む): 1397930400

約数和(自身を除く): 719265824

約数列:

[1, 2, 4, 8, 16, 32, 53, 64, 71, 106, 128, 142, 212, 284, 424, 568, 848, 1136, 1409, 1696, 2272, 2818, 3392, 3763, 4544, 5636, 6784, 7526, 9088, 11272, 15052, 22544, 30104, 45088, 60208, 74677, 90176, 100039, 120416, 149354, 180352, 200078, 240832, 298708, 400156, 481664, 597416, 800312, 1194832, 1600624, 2389664, 3201248, 4779328, 5302067, 6402496, 9558656, 10604134, 12804992, 21208268, 42416536, 84833072, 169666144, 339332288, 678664576]

約数ペア:

[(1, 678664576), (2, 339332288), (4, 169666144), (8, 84833072), (16, 42416536), (32, 21208268), (53, 12804992), (64, 10604134), (71, 9558656), (106, 6402496), (128, 5302067), (142, 4779328), (212, 3201248), (284, 2389664), (424, 1600624), (568, 1194832), (848, 800312), (1136, 597416), (1409, 481664), (1696, 400156), (2272, 298708), (2818, 240832), (3392, 200078), (3763, 180352), (4544, 149354), (5636, 120416), (6784, 100039), (7526, 90176), (9088, 74677), (11272, 60208), (15052, 45088), (22544, 30104)]