31819975

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:256

約数の個数: 36

約数和(自身を含む): 44297512

約数和(自身を除く): 12477537

約数列:

[1, 5, 11, 25, 55, 67, 121, 157, 275, 335, 605, 737, 785, 1675, 1727, 3025, 3685, 3925, 8107, 8635, 10519, 18425, 18997, 40535, 43175, 52595, 94985, 115709, 202675, 262975, 474925, 578545, 1272799, 2892725, 6363995, 31819975]

約数ペア:

[(1, 31819975), (5, 6363995), (11, 2892725), (25, 1272799), (55, 578545), (67, 474925), (121, 262975), (157, 202675), (275, 115709), (335, 94985), (605, 52595), (737, 43175), (785, 40535), (1675, 18997), (1727, 18425), (3025, 10519), (3685, 8635), (3925, 8107)]