686461392

素因数分解:

$2^4\times 3^6\times {\mathrm{229}}^1\times {\mathrm{257}}^1$

素因数の和:512

約数の個数: 140

約数和(自身を含む): 2010617220

約数和(自身を除く): 1324155828

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 162, 216, 229, 243, 257, 324, 432, 458, 486, 514, 648, 687, 729, 771, 916, 972, 1028, 1296, 1374, 1458, 1542, 1832, 1944, 2056, 2061, 2313, 2748, 2916, 3084, 3664, 3888, 4112, 4122, 4626, 5496, 5832, 6168, 6183, 6939, 8244, 9252, 10992, 11664, 12336, 12366, 13878, 16488, 18504, 18549, 20817, 24732, 27756, 32976, 37008, 37098, 41634, 49464, 55512, 55647, 58853, 62451, 74196, 83268, 98928, 111024, 111294, 117706, 124902, 148392, 166536, 166941, 176559, 187353, 222588, 235412, 249804, 296784, 333072, 333882, 353118, 374706, 445176, 470824, 499608, 529677, 667764, 706236, 749412, 890352, 941648, 999216, 1059354, 1335528, 1412472, 1498824, 1589031, 2118708, 2671056, 2824944, 2997648, 3178062, 4237416, 4767093, 6356124, 8474832, 9534186, 12712248, 14301279, 19068372, 25424496, 28602558, 38136744, 42903837, 57205116, 76273488, 85807674, 114410232, 171615348, 228820464, 343230696, 686461392]

約数ペア:

[(1, 686461392), (2, 343230696), (3, 228820464), (4, 171615348), (6, 114410232), (8, 85807674), (9, 76273488), (12, 57205116), (16, 42903837), (18, 38136744), (24, 28602558), (27, 25424496), (36, 19068372), (48, 14301279), (54, 12712248), (72, 9534186), (81, 8474832), (108, 6356124), (144, 4767093), (162, 4237416), (216, 3178062), (229, 2997648), (243, 2824944), (257, 2671056), (324, 2118708), (432, 1589031), (458, 1498824), (486, 1412472), (514, 1335528), (648, 1059354), (687, 999216), (729, 941648), (771, 890352), (916, 749412), (972, 706236), (1028, 667764), (1296, 529677), (1374, 499608), (1458, 470824), (1542, 445176), (1832, 374706), (1944, 353118), (2056, 333882), (2061, 333072), (2313, 296784), (2748, 249804), (2916, 235412), (3084, 222588), (3664, 187353), (3888, 176559), (4112, 166941), (4122, 166536), (4626, 148392), (5496, 124902), (5832, 117706), (6168, 111294), (6183, 111024), (6939, 98928), (8244, 83268), (9252, 74196), (10992, 62451), (11664, 58853), (12336, 55647), (12366, 55512), (13878, 49464), (16488, 41634), (18504, 37098), (18549, 37008), (20817, 32976), (24732, 27756)]