28075216

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{73}}^1$

素因数の和:180

約数の個数: 60

約数和(自身を含む): 60795588

約数和(自身を除く): 32720372

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 73, 86, 104, 146, 172, 208, 292, 344, 559, 584, 688, 949, 1118, 1168, 1849, 1898, 2236, 3139, 3698, 3796, 4472, 6278, 7396, 7592, 8944, 12556, 14792, 15184, 24037, 25112, 29584, 40807, 48074, 50224, 81614, 96148, 134977, 163228, 192296, 269954, 326456, 384592, 539908, 652912, 1079816, 1754701, 2159632, 3509402, 7018804, 14037608, 28075216]

約数ペア:

[(1, 28075216), (2, 14037608), (4, 7018804), (8, 3509402), (13, 2159632), (16, 1754701), (26, 1079816), (43, 652912), (52, 539908), (73, 384592), (86, 326456), (104, 269954), (146, 192296), (172, 163228), (208, 134977), (292, 96148), (344, 81614), (559, 50224), (584, 48074), (688, 40807), (949, 29584), (1118, 25112), (1168, 24037), (1849, 15184), (1898, 14792), (2236, 12556), (3139, 8944), (3698, 7592), (3796, 7396), (4472, 6278)]