81200308

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{36709}}^1$

素因数の和:36799

約数の個数: 24

約数和(自身を含む): 164460800

約数和(自身を除く): 83260492

約数列:

[1, 2, 4, 7, 14, 28, 79, 158, 316, 553, 1106, 2212, 36709, 73418, 146836, 256963, 513926, 1027852, 2900011, 5800022, 11600044, 20300077, 40600154, 81200308]

約数ペア:

[(1, 81200308), (2, 40600154), (4, 20300077), (7, 11600044), (14, 5800022), (28, 2900011), (79, 1027852), (158, 513926), (316, 256963), (553, 146836), (1106, 73418), (2212, 36709)]