28728284

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{1583}}^1$

素因数の和:1949

約数の個数: 24

約数和(自身を含む): 54331200

約数和(自身を除く): 25602916

約数列:

[1, 2, 4, 13, 26, 52, 349, 698, 1396, 1583, 3166, 4537, 6332, 9074, 18148, 20579, 41158, 82316, 552467, 1104934, 2209868, 7182071, 14364142, 28728284]

約数ペア:

[(1, 28728284), (2, 14364142), (4, 7182071), (13, 2209868), (26, 1104934), (52, 552467), (349, 82316), (698, 41158), (1396, 20579), (1583, 18148), (3166, 9074), (4537, 6332)]