30639259

素因数分解:

$7^2\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{151}}^1$

素因数の和:307

約数の個数: 24

約数和(自身を含む): 37116576

約数和(自身を除く): 6477317

約数列:

[1, 7, 41, 49, 101, 151, 287, 707, 1057, 2009, 4141, 4949, 6191, 7399, 15251, 28987, 43337, 106757, 202909, 303359, 625291, 747299, 4377037, 30639259]

約数ペア:

[(1, 30639259), (7, 4377037), (41, 747299), (49, 625291), (101, 303359), (151, 202909), (287, 106757), (707, 43337), (1057, 28987), (2009, 15251), (4141, 7399), (4949, 6191)]