28080808

素因数分解:

$2^3\times 7^1\times {\mathrm{47}}^2\times {\mathrm{227}}^1$

素因数の和:334

約数の個数: 48

約数和(自身を含む): 61751520

約数和(自身を除く): 33670712

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 56, 94, 188, 227, 329, 376, 454, 658, 908, 1316, 1589, 1816, 2209, 2632, 3178, 4418, 6356, 8836, 10669, 12712, 15463, 17672, 21338, 30926, 42676, 61852, 74683, 85352, 123704, 149366, 298732, 501443, 597464, 1002886, 2005772, 3510101, 4011544, 7020202, 14040404, 28080808]

約数ペア:

[(1, 28080808), (2, 14040404), (4, 7020202), (7, 4011544), (8, 3510101), (14, 2005772), (28, 1002886), (47, 597464), (56, 501443), (94, 298732), (188, 149366), (227, 123704), (329, 85352), (376, 74683), (454, 61852), (658, 42676), (908, 30926), (1316, 21338), (1589, 17672), (1816, 15463), (2209, 12712), (2632, 10669), (3178, 8836), (4418, 6356)]