213963743

素因数分解:

$7^3\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1$

素因数の和:316

約数の個数: 32

約数和(自身を含む): 259776000

約数和(自身を除く): 45812257

約数列:

[1, 7, 43, 49, 89, 163, 301, 343, 623, 1141, 2107, 3827, 4361, 7009, 7987, 14507, 14749, 26789, 30527, 49063, 55909, 101549, 187523, 343441, 623801, 710843, 1312661, 2404087, 4366607, 4975901, 30566249, 213963743]

約数ペア:

[(1, 213963743), (7, 30566249), (43, 4975901), (49, 4366607), (89, 2404087), (163, 1312661), (301, 710843), (343, 623801), (623, 343441), (1141, 187523), (2107, 101549), (3827, 55909), (4361, 49063), (7009, 30527), (7987, 26789), (14507, 14749)]