207720416

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{1409}}^1$

素因数の和:1707

約数の個数: 48

約数和(自身を含む): 434911680

約数和(自身を除く): 227191264

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 271, 272, 542, 544, 1084, 1409, 2168, 2818, 4336, 4607, 5636, 8672, 9214, 11272, 18428, 22544, 23953, 36856, 45088, 47906, 73712, 95812, 147424, 191624, 381839, 383248, 763678, 766496, 1527356, 3054712, 6109424, 6491263, 12218848, 12982526, 25965052, 51930104, 103860208, 207720416]

約数ペア:

[(1, 207720416), (2, 103860208), (4, 51930104), (8, 25965052), (16, 12982526), (17, 12218848), (32, 6491263), (34, 6109424), (68, 3054712), (136, 1527356), (271, 766496), (272, 763678), (542, 383248), (544, 381839), (1084, 191624), (1409, 147424), (2168, 95812), (2818, 73712), (4336, 47906), (4607, 45088), (5636, 36856), (8672, 23953), (9214, 22544), (11272, 18428)]