81151252

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31849}}^1$

素因数の和:31880

約数の個数: 36

約数和(自身を含む): 177914100

約数和(自身を除く): 96762848

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 364, 637, 1274, 2548, 31849, 63698, 127396, 222943, 414037, 445886, 828074, 891772, 1560601, 1656148, 2898259, 3121202, 5796518, 6242404, 11593036, 20287813, 40575626, 81151252]

約数ペア:

[(1, 81151252), (2, 40575626), (4, 20287813), (7, 11593036), (13, 6242404), (14, 5796518), (26, 3121202), (28, 2898259), (49, 1656148), (52, 1560601), (91, 891772), (98, 828074), (182, 445886), (196, 414037), (364, 222943), (637, 127396), (1274, 63698), (2548, 31849)]