773979025

素因数分解:

$5^2\times {\mathrm{109}}^1\times {\mathrm{431}}^1\times {\mathrm{659}}^1$

素因数の和:1209

約数の個数: 24

約数和(自身を含む): 972259200

約数和(自身を除く): 198280175

約数列:

[1, 5, 25, 109, 431, 545, 659, 2155, 2725, 3295, 10775, 16475, 46979, 71831, 234895, 284029, 359155, 1174475, 1420145, 1795775, 7100725, 30959161, 154795805, 773979025]

約数ペア:

[(1, 773979025), (5, 154795805), (25, 30959161), (109, 7100725), (431, 1795775), (545, 1420145), (659, 1174475), (2155, 359155), (2725, 284029), (3295, 234895), (10775, 71831), (16475, 46979)]