231221664

素因数分解:

$2^5\times 3^2\times {\mathrm{43}}^1\times {\mathrm{18671}}^1$

素因数の和:18730

約数の個数: 72

約数和(自身を含む): 672864192

約数和(自身を除く): 441642528

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 43, 48, 72, 86, 96, 129, 144, 172, 258, 288, 344, 387, 516, 688, 774, 1032, 1376, 1548, 2064, 3096, 4128, 6192, 12384, 18671, 37342, 56013, 74684, 112026, 149368, 168039, 224052, 298736, 336078, 448104, 597472, 672156, 802853, 896208, 1344312, 1605706, 1792416, 2408559, 2688624, 3211412, 4817118, 5377248, 6422824, 7225677, 9634236, 12845648, 14451354, 19268472, 25691296, 28902708, 38536944, 57805416, 77073888, 115610832, 231221664]

約数ペア:

[(1, 231221664), (2, 115610832), (3, 77073888), (4, 57805416), (6, 38536944), (8, 28902708), (9, 25691296), (12, 19268472), (16, 14451354), (18, 12845648), (24, 9634236), (32, 7225677), (36, 6422824), (43, 5377248), (48, 4817118), (72, 3211412), (86, 2688624), (96, 2408559), (129, 1792416), (144, 1605706), (172, 1344312), (258, 896208), (288, 802853), (344, 672156), (387, 597472), (516, 448104), (688, 336078), (774, 298736), (1032, 224052), (1376, 168039), (1548, 149368), (2064, 112026), (3096, 74684), (4128, 56013), (6192, 37342), (12384, 18671)]