31817225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:170

約数の個数: 48

約数和(自身を含む): 45800640

約数和(自身を除く): 13983415

約数列:

[1, 5, 11, 25, 37, 53, 55, 59, 185, 265, 275, 295, 407, 583, 649, 925, 1325, 1475, 1961, 2035, 2183, 2915, 3127, 3245, 9805, 10175, 10915, 14575, 15635, 16225, 21571, 24013, 34397, 49025, 54575, 78175, 107855, 115699, 120065, 171985, 539275, 578495, 600325, 859925, 1272689, 2892475, 6363445, 31817225]

約数ペア:

[(1, 31817225), (5, 6363445), (11, 2892475), (25, 1272689), (37, 859925), (53, 600325), (55, 578495), (59, 539275), (185, 171985), (265, 120065), (275, 115699), (295, 107855), (407, 78175), (583, 54575), (649, 49025), (925, 34397), (1325, 24013), (1475, 21571), (1961, 16225), (2035, 15635), (2183, 14575), (2915, 10915), (3127, 10175), (3245, 9805)]