28459808

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^2$

素因数の和:146

約数の個数: 72

約数和(自身を含む): 63445788

約数和(自身を除く): 34985980

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 37, 43, 52, 74, 86, 104, 148, 172, 208, 296, 344, 416, 481, 559, 592, 688, 962, 1118, 1184, 1376, 1591, 1849, 1924, 2236, 3182, 3698, 3848, 4472, 6364, 7396, 7696, 8944, 12728, 14792, 15392, 17888, 20683, 24037, 25456, 29584, 41366, 48074, 50912, 59168, 68413, 82732, 96148, 136826, 165464, 192296, 273652, 330928, 384592, 547304, 661856, 769184, 889369, 1094608, 1778738, 2189216, 3557476, 7114952, 14229904, 28459808]

約数ペア:

[(1, 28459808), (2, 14229904), (4, 7114952), (8, 3557476), (13, 2189216), (16, 1778738), (26, 1094608), (32, 889369), (37, 769184), (43, 661856), (52, 547304), (74, 384592), (86, 330928), (104, 273652), (148, 192296), (172, 165464), (208, 136826), (296, 96148), (344, 82732), (416, 68413), (481, 59168), (559, 50912), (592, 48074), (688, 41366), (962, 29584), (1118, 25456), (1184, 24037), (1376, 20683), (1591, 17888), (1849, 15392), (1924, 14792), (2236, 12728), (3182, 8944), (3698, 7696), (3848, 7396), (4472, 6364)]