2171288

素因数分解:

$2^3\times 7^2\times {\mathrm{29}}^1\times {\mathrm{191}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 4924800

約数和(自身を除く): 2753512

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 49, 56, 58, 98, 116, 191, 196, 203, 232, 382, 392, 406, 764, 812, 1337, 1421, 1528, 1624, 2674, 2842, 5348, 5539, 5684, 9359, 10696, 11078, 11368, 18718, 22156, 37436, 38773, 44312, 74872, 77546, 155092, 271411, 310184, 542822, 1085644, 2171288]

約数ペア:

[(1, 2171288), (2, 1085644), (4, 542822), (7, 310184), (8, 271411), (14, 155092), (28, 77546), (29, 74872), (49, 44312), (56, 38773), (58, 37436), (98, 22156), (116, 18718), (191, 11368), (196, 11078), (203, 10696), (232, 9359), (382, 5684), (392, 5539), (406, 5348), (764, 2842), (812, 2674), (1337, 1624), (1421, 1528)]