31821535

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{397}}^1$

素因数の和:483

約数の個数: 32

約数和(自身を含む): 43327872

約数和(自身を除く): 11506337

約数列:

[1, 5, 17, 23, 41, 85, 115, 205, 391, 397, 697, 943, 1955, 1985, 3485, 4715, 6749, 9131, 16031, 16277, 33745, 45655, 80155, 81385, 155227, 276709, 374371, 776135, 1383545, 1871855, 6364307, 31821535]

約数ペア:

[(1, 31821535), (5, 6364307), (17, 1871855), (23, 1383545), (41, 776135), (85, 374371), (115, 276709), (205, 155227), (391, 81385), (397, 80155), (697, 45655), (943, 33745), (1955, 16277), (1985, 16031), (3485, 9131), (4715, 6749)]