81986898

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{278867}}^1$

素因数の和:278886

約数の個数: 24

約数和(自身を含む): 190745712

約数和(自身を除く): 108758814

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 278867, 557734, 836601, 1673202, 1952069, 3904138, 5856207, 11712414, 13664483, 27328966, 40993449, 81986898]

約数ペア:

[(1, 81986898), (2, 40993449), (3, 27328966), (6, 13664483), (7, 11712414), (14, 5856207), (21, 3904138), (42, 1952069), (49, 1673202), (98, 836601), (147, 557734), (294, 278867)]