4779125

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1$

素因数の和:218

約数の個数: 32

約数和(自身を含む): 6840288

約数和(自身を除く): 2061163

約数列:

[1, 5, 13, 17, 25, 65, 85, 125, 173, 221, 325, 425, 865, 1105, 1625, 2125, 2249, 2941, 4325, 5525, 11245, 14705, 21625, 27625, 38233, 56225, 73525, 191165, 281125, 367625, 955825, 4779125]

約数ペア:

[(1, 4779125), (5, 955825), (13, 367625), (17, 281125), (25, 191165), (65, 73525), (85, 56225), (125, 38233), (173, 27625), (221, 21625), (325, 14705), (425, 11245), (865, 5525), (1105, 4325), (1625, 2941), (2125, 2249)]