257870842

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{379}}^1\times {\mathrm{11731}}^1$

素因数の和:12141

約数の個数: 16

約数和(自身を含む): 401234400

約数和(自身を除く): 143363558

約数列:

[1, 2, 29, 58, 379, 758, 10991, 11731, 21982, 23462, 340199, 680398, 4446049, 8892098, 128935421, 257870842]

約数ペア:

[(1, 257870842), (2, 128935421), (29, 8892098), (58, 4446049), (379, 680398), (758, 340199), (10991, 23462), (11731, 21982)]