2129771878

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{279571}}^1$

素因数の和:279879

約数の個数: 16

約数和(自身を含む): 3452155056

約数和(自身を除く): 1322383178

約数列:

[1, 2, 13, 26, 293, 586, 3809, 7618, 279571, 559142, 3634423, 7268846, 81914303, 163828606, 1064885939, 2129771878]

約数ペア:

[(1, 2129771878), (2, 1064885939), (13, 163828606), (26, 81914303), (293, 7268846), (586, 3634423), (3809, 559142), (7618, 279571)]