209323436

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{53783}}^1$

素因数の和:53933

約数の個数: 24

約数和(自身を含む): 421666560

約数和(自身を除く): 212343124

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 53783, 107566, 215132, 376481, 752962, 1505924, 7475837, 14951674, 29903348, 52330859, 104661718, 209323436]

約数ペア:

[(1, 209323436), (2, 104661718), (4, 52330859), (7, 29903348), (14, 14951674), (28, 7475837), (139, 1505924), (278, 752962), (556, 376481), (973, 215132), (1946, 107566), (3892, 53783)]