221464868

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{8009}}^1$

素因数の和:8267

約数の個数: 24

約数和(自身を含む): 401909760

約数和(自身を除く): 180444892

約数列:

[1, 2, 4, 31, 62, 124, 223, 446, 892, 6913, 8009, 13826, 16018, 27652, 32036, 248279, 496558, 993116, 1786007, 3572014, 7144028, 55366217, 110732434, 221464868]

約数ペア:

[(1, 221464868), (2, 110732434), (4, 55366217), (31, 7144028), (62, 3572014), (124, 1786007), (223, 993116), (446, 496558), (892, 248279), (6913, 32036), (8009, 27652), (13826, 16018)]