2988891725

素因数分解:

$5^2\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{17981}}^1$

素因数の和:18161

約数の個数: 24

約数和(自身を含む): 3801754440

約数和(自身を除く): 812862715

約数列:

[1, 5, 25, 61, 109, 305, 545, 1525, 2725, 6649, 17981, 33245, 89905, 166225, 449525, 1096841, 1959929, 5484205, 9799645, 27421025, 48998225, 119555669, 597778345, 2988891725]

約数ペア:

[(1, 2988891725), (5, 597778345), (25, 119555669), (61, 48998225), (109, 27421025), (305, 9799645), (545, 5484205), (1525, 1959929), (2725, 1096841), (6649, 449525), (17981, 166225), (33245, 89905)]