201666208

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{41}}^2\times {\mathrm{163}}^1$

素因数の和:278

約数の個数: 72

約数和(自身を含む): 427248864

約数和(自身を除く): 225582656

約数列:

[1, 2, 4, 8, 16, 23, 32, 41, 46, 82, 92, 163, 164, 184, 326, 328, 368, 652, 656, 736, 943, 1304, 1312, 1681, 1886, 2608, 3362, 3749, 3772, 5216, 6683, 6724, 7498, 7544, 13366, 13448, 14996, 15088, 26732, 26896, 29992, 30176, 38663, 53464, 53792, 59984, 77326, 106928, 119968, 153709, 154652, 213856, 274003, 307418, 309304, 548006, 614836, 618608, 1096012, 1229672, 1237216, 2192024, 2459344, 4384048, 4918688, 6302069, 8768096, 12604138, 25208276, 50416552, 100833104, 201666208]

約数ペア:

[(1, 201666208), (2, 100833104), (4, 50416552), (8, 25208276), (16, 12604138), (23, 8768096), (32, 6302069), (41, 4918688), (46, 4384048), (82, 2459344), (92, 2192024), (163, 1237216), (164, 1229672), (184, 1096012), (326, 618608), (328, 614836), (368, 548006), (652, 309304), (656, 307418), (736, 274003), (943, 213856), (1304, 154652), (1312, 153709), (1681, 119968), (1886, 106928), (2608, 77326), (3362, 59984), (3749, 53792), (3772, 53464), (5216, 38663), (6683, 30176), (6724, 29992), (7498, 26896), (7544, 26732), (13366, 15088), (13448, 14996)]