2021866525

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{12823}}^1$

素因数の和:12910

約数の個数: 48

約数和(自身を含む): 3091302144

約数和(自身を除く): 1069435619

約数列:

[1, 5, 7, 17, 25, 35, 53, 85, 119, 175, 265, 371, 425, 595, 901, 1325, 1855, 2975, 4505, 6307, 9275, 12823, 22525, 31535, 64115, 89761, 157675, 217991, 320575, 448805, 679619, 1089955, 1525937, 2244025, 3398095, 4757333, 5449775, 7629685, 11553523, 16990475, 23786665, 38148425, 57767615, 80874661, 118933325, 288838075, 404373305, 2021866525]

約数ペア:

[(1, 2021866525), (5, 404373305), (7, 288838075), (17, 118933325), (25, 80874661), (35, 57767615), (53, 38148425), (85, 23786665), (119, 16990475), (175, 11553523), (265, 7629685), (371, 5449775), (425, 4757333), (595, 3398095), (901, 2244025), (1325, 1525937), (1855, 1089955), (2975, 679619), (4505, 448805), (6307, 320575), (9275, 217991), (12823, 157675), (22525, 89761), (31535, 64115)]