198253825

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{569}}^1$

素因数の和:778

約数の個数: 48

約数和(自身を含む): 308730240

約数和(自身を除く): 110476415

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 175, 181, 275, 385, 569, 905, 1267, 1925, 1991, 2845, 3983, 4525, 6259, 6335, 9955, 13937, 14225, 19915, 31295, 31675, 43813, 49775, 69685, 99575, 102989, 156475, 219065, 348425, 514945, 720923, 1095325, 1132879, 2574725, 3604615, 5664395, 7930153, 18023075, 28321975, 39650765, 198253825]

約数ペア:

[(1, 198253825), (5, 39650765), (7, 28321975), (11, 18023075), (25, 7930153), (35, 5664395), (55, 3604615), (77, 2574725), (175, 1132879), (181, 1095325), (275, 720923), (385, 514945), (569, 348425), (905, 219065), (1267, 156475), (1925, 102989), (1991, 99575), (2845, 69685), (3983, 49775), (4525, 43813), (6259, 31675), (6335, 31295), (9955, 19915), (13937, 14225)]