211959398

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{271}}^1\times {\mathrm{347}}^1$

素因数の和:657

約数の個数: 48

約数和(自身を含む): 388468224

約数和(自身を除く): 176508826

約数列:

[1, 2, 7, 14, 23, 46, 49, 98, 161, 271, 322, 347, 542, 694, 1127, 1897, 2254, 2429, 3794, 4858, 6233, 7981, 12466, 13279, 15962, 17003, 26558, 34006, 43631, 55867, 87262, 94037, 111734, 188074, 305417, 391069, 610834, 658259, 782138, 1316518, 2162851, 4325702, 4607813, 9215626, 15139957, 30279914, 105979699, 211959398]

約数ペア:

[(1, 211959398), (2, 105979699), (7, 30279914), (14, 15139957), (23, 9215626), (46, 4607813), (49, 4325702), (98, 2162851), (161, 1316518), (271, 782138), (322, 658259), (347, 610834), (542, 391069), (694, 305417), (1127, 188074), (1897, 111734), (2254, 94037), (2429, 87262), (3794, 55867), (4858, 43631), (6233, 34006), (7981, 26558), (12466, 17003), (13279, 15962)]