666786564

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{439}}^1\times {\mathrm{1361}}^1$

素因数の和:1841

約数の個数: 72

約数和(自身を含む): 1745103360

約数和(自身を除く): 1078316796

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 279, 372, 439, 558, 878, 1116, 1317, 1361, 1756, 2634, 2722, 3951, 4083, 5268, 5444, 7902, 8166, 12249, 13609, 15804, 16332, 24498, 27218, 40827, 42191, 48996, 54436, 81654, 84382, 122481, 126573, 163308, 168764, 244962, 253146, 379719, 489924, 506292, 597479, 759438, 1194958, 1518876, 1792437, 2389916, 3584874, 5377311, 7169748, 10754622, 18521849, 21509244, 37043698, 55565547, 74087396, 111131094, 166696641, 222262188, 333393282, 666786564]

約数ペア:

[(1, 666786564), (2, 333393282), (3, 222262188), (4, 166696641), (6, 111131094), (9, 74087396), (12, 55565547), (18, 37043698), (31, 21509244), (36, 18521849), (62, 10754622), (93, 7169748), (124, 5377311), (186, 3584874), (279, 2389916), (372, 1792437), (439, 1518876), (558, 1194958), (878, 759438), (1116, 597479), (1317, 506292), (1361, 489924), (1756, 379719), (2634, 253146), (2722, 244962), (3951, 168764), (4083, 163308), (5268, 126573), (5444, 122481), (7902, 84382), (8166, 81654), (12249, 54436), (13609, 48996), (15804, 42191), (16332, 40827), (24498, 27218)]