8268441725

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{257}}^1$

素因数の和:435

約数の個数: 72

約数和(自身を含む): 11265310968

約数和(自身を除く): 2996869243

約数列:

[1, 5, 17, 25, 61, 73, 85, 257, 289, 305, 365, 425, 1037, 1241, 1285, 1445, 1525, 1825, 4369, 4453, 5185, 6205, 6425, 7225, 15677, 17629, 18761, 21097, 21845, 22265, 25925, 31025, 74273, 75701, 78385, 88145, 93805, 105485, 109225, 111325, 266509, 318937, 371365, 378505, 391925, 440725, 469025, 527425, 1144421, 1286917, 1332545, 1594685, 1856825, 1892525, 4530653, 5421929, 5722105, 6434585, 6662725, 7973425, 19455157, 22653265, 27109645, 28610525, 32172925, 97275785, 113266325, 135548225, 330737669, 486378925, 1653688345, 8268441725]

約数ペア:

[(1, 8268441725), (5, 1653688345), (17, 486378925), (25, 330737669), (61, 135548225), (73, 113266325), (85, 97275785), (257, 32172925), (289, 28610525), (305, 27109645), (365, 22653265), (425, 19455157), (1037, 7973425), (1241, 6662725), (1285, 6434585), (1445, 5722105), (1525, 5421929), (1825, 4530653), (4369, 1892525), (4453, 1856825), (5185, 1594685), (6205, 1332545), (6425, 1286917), (7225, 1144421), (15677, 527425), (17629, 469025), (18761, 440725), (21097, 391925), (21845, 378505), (22265, 371365), (25925, 318937), (31025, 266509), (74273, 111325), (75701, 109225), (78385, 105485), (88145, 93805)]