218720112

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{857}}^1$

素因数の和:1290

約数の個数: 80

約数和(自身を含む): 610690080

約数和(自身を除く): 391969968

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 409, 624, 818, 857, 1227, 1636, 1714, 2454, 2571, 3272, 3428, 4908, 5142, 5317, 6544, 6856, 9816, 10284, 10634, 11141, 13712, 15951, 19632, 20568, 21268, 22282, 31902, 33423, 41136, 42536, 44564, 63804, 66846, 85072, 89128, 127608, 133692, 178256, 255216, 267384, 350513, 534768, 701026, 1051539, 1402052, 2103078, 2804104, 4206156, 4556669, 5608208, 8412312, 9113338, 13670007, 16824624, 18226676, 27340014, 36453352, 54680028, 72906704, 109360056, 218720112]

約数ペア:

[(1, 218720112), (2, 109360056), (3, 72906704), (4, 54680028), (6, 36453352), (8, 27340014), (12, 18226676), (13, 16824624), (16, 13670007), (24, 9113338), (26, 8412312), (39, 5608208), (48, 4556669), (52, 4206156), (78, 2804104), (104, 2103078), (156, 1402052), (208, 1051539), (312, 701026), (409, 534768), (624, 350513), (818, 267384), (857, 255216), (1227, 178256), (1636, 133692), (1714, 127608), (2454, 89128), (2571, 85072), (3272, 66846), (3428, 63804), (4908, 44564), (5142, 42536), (5317, 41136), (6544, 33423), (6856, 31902), (9816, 22282), (10284, 21268), (10634, 20568), (11141, 19632), (13712, 15951)]