82789590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{212281}}^1$

素因数の和:212304

約数の個数: 32

約数和(自身を含む): 213980256

約数和(自身を除く): 131190666

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 212281, 424562, 636843, 1061405, 1273686, 2122810, 2759653, 3184215, 5519306, 6368430, 8278959, 13798265, 16557918, 27596530, 41394795, 82789590]

約数ペア:

[(1, 82789590), (2, 41394795), (3, 27596530), (5, 16557918), (6, 13798265), (10, 8278959), (13, 6368430), (15, 5519306), (26, 3184215), (30, 2759653), (39, 2122810), (65, 1273686), (78, 1061405), (130, 636843), (195, 424562), (390, 212281)]