155949025

素因数分解:

$5^2\times {\mathrm{109}}^1\times {\mathrm{151}}^1\times {\mathrm{379}}^1$

素因数の和:649

約数の個数: 24

約数和(自身を含む): 196961600

約数和(自身を除く): 41012575

約数列:

[1, 5, 25, 109, 151, 379, 545, 755, 1895, 2725, 3775, 9475, 16459, 41311, 57229, 82295, 206555, 286145, 411475, 1032775, 1430725, 6237961, 31189805, 155949025]

約数ペア:

[(1, 155949025), (5, 31189805), (25, 6237961), (109, 1430725), (151, 1032775), (379, 411475), (545, 286145), (755, 206555), (1895, 82295), (2725, 57229), (3775, 41311), (9475, 16459)]