281235984

素因数分解:

$2^4\times 3^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1\times {\mathrm{557}}^1$

素因数の和:792

約数の個数: 80

約数和(自身を含む): 743398848

約数和(自身を除く): 462162864

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 67, 134, 157, 201, 268, 314, 402, 471, 536, 557, 628, 804, 942, 1072, 1114, 1256, 1608, 1671, 1884, 2228, 2512, 3216, 3342, 3768, 4456, 6684, 7536, 8912, 10519, 13368, 21038, 26736, 31557, 37319, 42076, 63114, 74638, 84152, 87449, 111957, 126228, 149276, 168304, 174898, 223914, 252456, 262347, 298552, 349796, 447828, 504912, 524694, 597104, 699592, 895656, 1049388, 1399184, 1791312, 2098776, 4197552, 5859083, 11718166, 17577249, 23436332, 35154498, 46872664, 70308996, 93745328, 140617992, 281235984]

約数ペア:

[(1, 281235984), (2, 140617992), (3, 93745328), (4, 70308996), (6, 46872664), (8, 35154498), (12, 23436332), (16, 17577249), (24, 11718166), (48, 5859083), (67, 4197552), (134, 2098776), (157, 1791312), (201, 1399184), (268, 1049388), (314, 895656), (402, 699592), (471, 597104), (536, 524694), (557, 504912), (628, 447828), (804, 349796), (942, 298552), (1072, 262347), (1114, 252456), (1256, 223914), (1608, 174898), (1671, 168304), (1884, 149276), (2228, 126228), (2512, 111957), (3216, 87449), (3342, 84152), (3768, 74638), (4456, 63114), (6684, 42076), (7536, 37319), (8912, 31557), (10519, 26736), (13368, 21038)]