421228

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:157

約数の個数: 24

約数和(自身を含む): 788480

約数和(自身を除く): 367252

約数列:

[1, 2, 4, 31, 43, 62, 79, 86, 124, 158, 172, 316, 1333, 2449, 2666, 3397, 4898, 5332, 6794, 9796, 13588, 105307, 210614, 421228]

約数ペア:

[(1, 421228), (2, 210614), (4, 105307), (31, 13588), (43, 9796), (62, 6794), (79, 5332), (86, 4898), (124, 3397), (158, 2666), (172, 2449), (316, 1333)]