647940204

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{727}}^1\times {\mathrm{1303}}^1$

素因数の和:2059

約数の個数: 72

約数和(自身を含む): 1727747840

約数和(自身を除く): 1079807636

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 727, 1303, 1454, 2181, 2606, 2908, 3909, 4362, 5212, 6543, 7818, 8724, 11727, 13086, 13813, 15636, 23454, 24757, 26172, 27626, 41439, 46908, 49514, 55252, 74271, 82878, 99028, 124317, 148542, 165756, 222813, 248634, 297084, 445626, 497268, 891252, 947281, 1894562, 2841843, 3789124, 5683686, 8525529, 11367372, 17051058, 17998339, 34102116, 35996678, 53995017, 71993356, 107990034, 161985051, 215980068, 323970102, 647940204]

約数ペア:

[(1, 647940204), (2, 323970102), (3, 215980068), (4, 161985051), (6, 107990034), (9, 71993356), (12, 53995017), (18, 35996678), (19, 34102116), (36, 17998339), (38, 17051058), (57, 11367372), (76, 8525529), (114, 5683686), (171, 3789124), (228, 2841843), (342, 1894562), (684, 947281), (727, 891252), (1303, 497268), (1454, 445626), (2181, 297084), (2606, 248634), (2908, 222813), (3909, 165756), (4362, 148542), (5212, 124317), (6543, 99028), (7818, 82878), (8724, 74271), (11727, 55252), (13086, 49514), (13813, 46908), (15636, 41439), (23454, 27626), (24757, 26172)]