28538665

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{431}}^1$

素因数の和:513

約数の個数: 32

約数和(自身を含む): 39191040

約数和(自身を除く): 10652375

約数列:

[1, 5, 17, 19, 41, 85, 95, 205, 323, 431, 697, 779, 1615, 2155, 3485, 3895, 7327, 8189, 13243, 17671, 36635, 40945, 66215, 88355, 139213, 300407, 335749, 696065, 1502035, 1678745, 5707733, 28538665]

約数ペア:

[(1, 28538665), (5, 5707733), (17, 1678745), (19, 1502035), (41, 696065), (85, 335749), (95, 300407), (205, 139213), (323, 88355), (431, 66215), (697, 40945), (779, 36635), (1615, 17671), (2155, 13243), (3485, 8189), (3895, 7327)]