28918016

素因数分解:

$2^8\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:167

約数の個数: 72

約数和(自身を含む): 61516224

約数和(自身を除く): 32598208

約数列:

[1, 2, 4, 8, 16, 32, 37, 43, 64, 71, 74, 86, 128, 142, 148, 172, 256, 284, 296, 344, 568, 592, 688, 1136, 1184, 1376, 1591, 2272, 2368, 2627, 2752, 3053, 3182, 4544, 4736, 5254, 5504, 6106, 6364, 9088, 9472, 10508, 11008, 12212, 12728, 18176, 21016, 24424, 25456, 42032, 48848, 50912, 84064, 97696, 101824, 112961, 168128, 195392, 203648, 225922, 336256, 390784, 407296, 451844, 672512, 781568, 903688, 1807376, 3614752, 7229504, 14459008, 28918016]

約数ペア:

[(1, 28918016), (2, 14459008), (4, 7229504), (8, 3614752), (16, 1807376), (32, 903688), (37, 781568), (43, 672512), (64, 451844), (71, 407296), (74, 390784), (86, 336256), (128, 225922), (142, 203648), (148, 195392), (172, 168128), (256, 112961), (284, 101824), (296, 97696), (344, 84064), (568, 50912), (592, 48848), (688, 42032), (1136, 25456), (1184, 24424), (1376, 21016), (1591, 18176), (2272, 12728), (2368, 12212), (2627, 11008), (2752, 10508), (3053, 9472), (3182, 9088), (4544, 6364), (4736, 6106), (5254, 5504)]