489442919

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{2621}}^1$

素因数の和:2775

約数の個数: 24

約数和(自身を含む): 590642208

約数和(自身を除く): 101199289

約数列:

[1, 7, 37, 49, 103, 259, 721, 1813, 2621, 3811, 5047, 18347, 26677, 96977, 128429, 186739, 269963, 678839, 1889741, 4751873, 9988631, 13228187, 69920417, 489442919]

約数ペア:

[(1, 489442919), (7, 69920417), (37, 13228187), (49, 9988631), (103, 4751873), (259, 1889741), (721, 678839), (1813, 269963), (2621, 186739), (3811, 128429), (5047, 96977), (18347, 26677)]