13440245

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{271}}^1$

素因数の和:405

約数の個数: 32

約数和(自身を含む): 20106240

約数和(自身を除く): 6665995

約数列:

[1, 5, 7, 13, 35, 65, 91, 109, 271, 455, 545, 763, 1355, 1417, 1897, 3523, 3815, 7085, 9485, 9919, 17615, 24661, 29539, 49595, 123305, 147695, 206773, 384007, 1033865, 1920035, 2688049, 13440245]

約数ペア:

[(1, 13440245), (5, 2688049), (7, 1920035), (13, 1033865), (35, 384007), (65, 206773), (91, 147695), (109, 123305), (271, 49595), (455, 29539), (545, 24661), (763, 17615), (1355, 9919), (1417, 9485), (1897, 7085), (3523, 3815)]