28439404

素因数分解:

$2^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{3539}}^1$

素因数の和:3598

約数の個数: 36

約数和(自身を含む): 59323320

約数和(自身を除く): 30883916

約数列:

[1, 2, 4, 7, 14, 28, 41, 49, 82, 98, 164, 196, 287, 574, 1148, 2009, 3539, 4018, 7078, 8036, 14156, 24773, 49546, 99092, 145099, 173411, 290198, 346822, 580396, 693644, 1015693, 2031386, 4062772, 7109851, 14219702, 28439404]

約数ペア:

[(1, 28439404), (2, 14219702), (4, 7109851), (7, 4062772), (14, 2031386), (28, 1015693), (41, 693644), (49, 580396), (82, 346822), (98, 290198), (164, 173411), (196, 145099), (287, 99092), (574, 49546), (1148, 24773), (2009, 14156), (3539, 8036), (4018, 7078)]