1691248

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1$

素因数の和:241

約数の個数: 40

約数和(自身を含む): 3624768

約数和(自身を除く): 1933520

約数列:

[1, 2, 4, 8, 13, 16, 26, 47, 52, 94, 104, 173, 188, 208, 346, 376, 611, 692, 752, 1222, 1384, 2249, 2444, 2768, 4498, 4888, 8131, 8996, 9776, 16262, 17992, 32524, 35984, 65048, 105703, 130096, 211406, 422812, 845624, 1691248]

約数ペア:

[(1, 1691248), (2, 845624), (4, 422812), (8, 211406), (13, 130096), (16, 105703), (26, 65048), (47, 35984), (52, 32524), (94, 17992), (104, 16262), (173, 9776), (188, 8996), (208, 8131), (346, 4888), (376, 4498), (611, 2768), (692, 2444), (752, 2249), (1222, 1384)]