247248312

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{439}}^1\times {\mathrm{757}}^1$

素因数の和:1236

約数の個数: 64

約数和(自身を含む): 640358400

約数和(自身を除く): 393110088

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 93, 124, 186, 248, 372, 439, 744, 757, 878, 1317, 1514, 1756, 2271, 2634, 3028, 3512, 4542, 5268, 6056, 9084, 10536, 13609, 18168, 23467, 27218, 40827, 46934, 54436, 70401, 81654, 93868, 108872, 140802, 163308, 187736, 281604, 326616, 332323, 563208, 664646, 996969, 1329292, 1993938, 2658584, 3987876, 7975752, 10302013, 20604026, 30906039, 41208052, 61812078, 82416104, 123624156, 247248312]

約数ペア:

[(1, 247248312), (2, 123624156), (3, 82416104), (4, 61812078), (6, 41208052), (8, 30906039), (12, 20604026), (24, 10302013), (31, 7975752), (62, 3987876), (93, 2658584), (124, 1993938), (186, 1329292), (248, 996969), (372, 664646), (439, 563208), (744, 332323), (757, 326616), (878, 281604), (1317, 187736), (1514, 163308), (1756, 140802), (2271, 108872), (2634, 93868), (3028, 81654), (3512, 70401), (4542, 54436), (5268, 46934), (6056, 40827), (9084, 27218), (10536, 23467), (13609, 18168)]