291277870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{12379}}^1$

素因数の和:12580

約数の個数: 32

約数和(自身を含む): 567796320

約数和(自身を除く): 276518450

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 181, 362, 905, 1810, 2353, 4706, 11765, 12379, 23530, 24758, 61895, 123790, 160927, 321854, 804635, 1609270, 2240599, 4481198, 11202995, 22405990, 29127787, 58255574, 145638935, 291277870]

約数ペア:

[(1, 291277870), (2, 145638935), (5, 58255574), (10, 29127787), (13, 22405990), (26, 11202995), (65, 4481198), (130, 2240599), (181, 1609270), (362, 804635), (905, 321854), (1810, 160927), (2353, 123790), (4706, 61895), (11765, 24758), (12379, 23530)]