9981691825

素因数分解:

$5^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{727}}^1\times {\mathrm{1171}}^1$

素因数の和:1982

約数の個数: 48

約数和(自身を含む): 14388634624

約数和(自身を除く): 4406942799

約数列:

[1, 5, 7, 25, 35, 67, 175, 335, 469, 727, 1171, 1675, 2345, 3635, 5089, 5855, 8197, 11725, 18175, 25445, 29275, 40985, 48709, 78457, 127225, 204925, 243545, 340963, 392285, 549199, 851317, 1217725, 1704815, 1961425, 2745995, 4256585, 5959219, 8524075, 13729975, 21282925, 29796095, 57038239, 148980475, 285191195, 399267673, 1425955975, 1996338365, 9981691825]

約数ペア:

[(1, 9981691825), (5, 1996338365), (7, 1425955975), (25, 399267673), (35, 285191195), (67, 148980475), (175, 57038239), (335, 29796095), (469, 21282925), (727, 13729975), (1171, 8524075), (1675, 5959219), (2345, 4256585), (3635, 2745995), (5089, 1961425), (5855, 1704815), (8197, 1217725), (11725, 851317), (18175, 549199), (25445, 392285), (29275, 340963), (40985, 243545), (48709, 204925), (78457, 127225)]