78409565

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{2879}}^1$

素因数の和:3316

約数の個数: 16

約数和(自身を含む): 101606400

約数和(自身を除く): 23196835

約数列:

[1, 5, 13, 65, 419, 2095, 2879, 5447, 14395, 27235, 37427, 187135, 1206301, 6031505, 15681913, 78409565]

約数ペア:

[(1, 78409565), (5, 15681913), (13, 6031505), (65, 1206301), (419, 187135), (2095, 37427), (2879, 27235), (5447, 14395)]