266143670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{120427}}^1$

素因数の和:120464

約数の個数: 32

約数和(自身を含む): 546261408

約数和(自身を除く): 280117738

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 120427, 240854, 602135, 1204270, 1565551, 2047259, 3131102, 4094518, 7827755, 10236295, 15655510, 20472590, 26614367, 53228734, 133071835, 266143670]

約数ペア:

[(1, 266143670), (2, 133071835), (5, 53228734), (10, 26614367), (13, 20472590), (17, 15655510), (26, 10236295), (34, 7827755), (65, 4094518), (85, 3131102), (130, 2047259), (170, 1565551), (221, 1204270), (442, 602135), (1105, 240854), (2210, 120427)]