221361248

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{8467}}^1$

素因数の和:8539

約数の個数: 48

約数和(自身を含む): 469465920

約数和(自身を除く): 248104672

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 43, 76, 86, 152, 172, 304, 344, 608, 688, 817, 1376, 1634, 3268, 6536, 8467, 13072, 16934, 26144, 33868, 67736, 135472, 160873, 270944, 321746, 364081, 643492, 728162, 1286984, 1456324, 2573968, 2912648, 5147936, 5825296, 6917539, 11650592, 13835078, 27670156, 55340312, 110680624, 221361248]

約数ペア:

[(1, 221361248), (2, 110680624), (4, 55340312), (8, 27670156), (16, 13835078), (19, 11650592), (32, 6917539), (38, 5825296), (43, 5147936), (76, 2912648), (86, 2573968), (152, 1456324), (172, 1286984), (304, 728162), (344, 643492), (608, 364081), (688, 321746), (817, 270944), (1376, 160873), (1634, 135472), (3268, 67736), (6536, 33868), (8467, 26144), (13072, 16934)]