90787735

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{239}}^1$

素因数の和:411

約数の個数: 32

約数和(自身を含む): 119750400

約数和(自身を除く): 28962665

約数列:

[1, 5, 17, 41, 85, 109, 205, 239, 545, 697, 1195, 1853, 3485, 4063, 4469, 9265, 9799, 20315, 22345, 26051, 48995, 75973, 130255, 166583, 379865, 442867, 832915, 1068091, 2214335, 5340455, 18157547, 90787735]

約数ペア:

[(1, 90787735), (5, 18157547), (17, 5340455), (41, 2214335), (85, 1068091), (109, 832915), (205, 442867), (239, 379865), (545, 166583), (697, 130255), (1195, 75973), (1853, 48995), (3485, 26051), (4063, 22345), (4469, 20315), (9265, 9799)]