620565778

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{347}}^1\times {\mathrm{919}}^1$

素因数の和:1414

約数の個数: 32

約数和(自身を含む): 1075737600

約数和(自身を除く): 455171822

約数列:

[1, 2, 7, 14, 139, 278, 347, 694, 919, 973, 1838, 1946, 2429, 4858, 6433, 12866, 48233, 96466, 127741, 255482, 318893, 337631, 637786, 675262, 894187, 1788374, 2232251, 4464502, 44326127, 88652254, 310282889, 620565778]

約数ペア:

[(1, 620565778), (2, 310282889), (7, 88652254), (14, 44326127), (139, 4464502), (278, 2232251), (347, 1788374), (694, 894187), (919, 675262), (973, 637786), (1838, 337631), (1946, 318893), (2429, 255482), (4858, 127741), (6433, 96466), (12866, 48233)]