289772210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{318431}}^1$

素因数の和:318458

約数の個数: 32

約数和(自身を含む): 641958912

約数和(自身を除く): 352186702

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 318431, 636862, 1592155, 2229017, 3184310, 4139603, 4458034, 8279206, 11145085, 20698015, 22290170, 28977221, 41396030, 57954442, 144886105, 289772210]

約数ペア:

[(1, 289772210), (2, 144886105), (5, 57954442), (7, 41396030), (10, 28977221), (13, 22290170), (14, 20698015), (26, 11145085), (35, 8279206), (65, 4458034), (70, 4139603), (91, 3184310), (130, 2229017), (182, 1592155), (455, 636862), (910, 318431)]