65281356

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{86351}}^1$

素因数の和:86371

約数の個数: 48

約数和(自身を含む): 193428480

約数和(自身を除く): 128147124

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 86351, 172702, 259053, 345404, 518106, 604457, 777159, 1036212, 1208914, 1554318, 1813371, 2331477, 2417828, 3108636, 3626742, 4662954, 5440113, 7253484, 9325908, 10880226, 16320339, 21760452, 32640678, 65281356]

約数ペア:

[(1, 65281356), (2, 32640678), (3, 21760452), (4, 16320339), (6, 10880226), (7, 9325908), (9, 7253484), (12, 5440113), (14, 4662954), (18, 3626742), (21, 3108636), (27, 2417828), (28, 2331477), (36, 1813371), (42, 1554318), (54, 1208914), (63, 1036212), (84, 777159), (108, 604457), (126, 518106), (189, 345404), (252, 259053), (378, 172702), (756, 86351)]