220171696

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{16843}}^1$

素因数の和:16913

約数の個数: 40

約数和(自身を含む): 459504320

約数和(自身を除く): 239332624

約数列:

[1, 2, 4, 8, 16, 19, 38, 43, 76, 86, 152, 172, 304, 344, 688, 817, 1634, 3268, 6536, 13072, 16843, 33686, 67372, 134744, 269488, 320017, 640034, 724249, 1280068, 1448498, 2560136, 2896996, 5120272, 5793992, 11587984, 13760731, 27521462, 55042924, 110085848, 220171696]

約数ペア:

[(1, 220171696), (2, 110085848), (4, 55042924), (8, 27521462), (16, 13760731), (19, 11587984), (38, 5793992), (43, 5120272), (76, 2896996), (86, 2560136), (152, 1448498), (172, 1280068), (304, 724249), (344, 640034), (688, 320017), (817, 269488), (1634, 134744), (3268, 67372), (6536, 33686), (13072, 16843)]