28125618248

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1246261}}^1$

素因数の和:1246318

約数の個数: 64

約数和(自身を含む): 66999045120

約数和(自身を除く): 38873426872

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 31, 52, 56, 62, 91, 104, 124, 182, 217, 248, 364, 403, 434, 728, 806, 868, 1612, 1736, 2821, 3224, 5642, 11284, 22568, 1246261, 2492522, 4985044, 8723827, 9970088, 16201393, 17447654, 32402786, 34895308, 38634091, 64805572, 69790616, 77268182, 113409751, 129611144, 154536364, 226819502, 270438637, 309072728, 453639004, 502243183, 540877274, 907278008, 1004486366, 1081754548, 2008972732, 2163509096, 3515702281, 4017945464, 7031404562, 14062809124, 28125618248]

約数ペア:

[(1, 28125618248), (2, 14062809124), (4, 7031404562), (7, 4017945464), (8, 3515702281), (13, 2163509096), (14, 2008972732), (26, 1081754548), (28, 1004486366), (31, 907278008), (52, 540877274), (56, 502243183), (62, 453639004), (91, 309072728), (104, 270438637), (124, 226819502), (182, 154536364), (217, 129611144), (248, 113409751), (364, 77268182), (403, 69790616), (434, 64805572), (728, 38634091), (806, 34895308), (868, 32402786), (1612, 17447654), (1736, 16201393), (2821, 9970088), (3224, 8723827), (5642, 4985044), (11284, 2492522), (22568, 1246261)]