221529904

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{175261}}^1$

素因数の和:175348

約数の個数: 20

約数和(自身を含む): 434649760

約数和(自身を除く): 213119856

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 175261, 350522, 701044, 1402088, 2804176, 13845619, 27691238, 55382476, 110764952, 221529904]

約数ペア:

[(1, 221529904), (2, 110764952), (4, 55382476), (8, 27691238), (16, 13845619), (79, 2804176), (158, 1402088), (316, 701044), (632, 350522), (1264, 175261)]