28732925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{419}}^1$

素因数の和:653

約数の個数: 24

約数和(自身を含む): 38643360

約数和(自身を除く): 9910435

約数列:

[1, 5, 13, 25, 65, 211, 325, 419, 1055, 2095, 2743, 5275, 5447, 10475, 13715, 27235, 68575, 88409, 136175, 442045, 1149317, 2210225, 5746585, 28732925]

約数ペア:

[(1, 28732925), (5, 5746585), (13, 2210225), (25, 1149317), (65, 442045), (211, 136175), (325, 88409), (419, 68575), (1055, 27235), (2095, 13715), (2743, 10475), (5275, 5447)]