28159210

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1\times {\mathrm{397}}^1$

素因数の和:618

約数の個数: 32

約数和(自身を含む): 52354512

約数和(自身を除く): 24195302

約数列:

[1, 2, 5, 10, 41, 82, 173, 205, 346, 397, 410, 794, 865, 1730, 1985, 3970, 7093, 14186, 16277, 32554, 35465, 68681, 70930, 81385, 137362, 162770, 343405, 686810, 2815921, 5631842, 14079605, 28159210]

約数ペア:

[(1, 28159210), (2, 14079605), (5, 5631842), (10, 2815921), (41, 686810), (82, 343405), (173, 162770), (205, 137362), (346, 81385), (397, 70930), (410, 68681), (794, 35465), (865, 32554), (1730, 16277), (1985, 14186), (3970, 7093)]