28217365

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{293}}^1$

素因数の和:429

約数の個数: 32

約数和(自身を含む): 39626496

約数和(自身を除く): 11409131

約数列:

[1, 5, 11, 17, 55, 85, 103, 187, 293, 515, 935, 1133, 1465, 1751, 3223, 4981, 5665, 8755, 16115, 19261, 24905, 30179, 54791, 96305, 150895, 273955, 331969, 513043, 1659845, 2565215, 5643473, 28217365]

約数ペア:

[(1, 28217365), (5, 5643473), (11, 2565215), (17, 1659845), (55, 513043), (85, 331969), (103, 273955), (187, 150895), (293, 96305), (515, 54791), (935, 30179), (1133, 24905), (1465, 19261), (1751, 16115), (3223, 8755), (4981, 5665)]