390816797

素因数分解:

$7^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{4139}}^1$

素因数の和:4241

約数の個数: 24

約数和(自身を含む): 475735680

約数和(自身を除く): 84918883

約数列:

[1, 7, 41, 47, 49, 287, 329, 1927, 2009, 2303, 4139, 13489, 28973, 94423, 169699, 194533, 202811, 1187893, 1361731, 7975853, 8315251, 9532117, 55830971, 390816797]

約数ペア:

[(1, 390816797), (7, 55830971), (41, 9532117), (47, 8315251), (49, 7975853), (287, 1361731), (329, 1187893), (1927, 202811), (2009, 194533), (2303, 169699), (4139, 94423), (13489, 28973)]