87431876

素因数分解:

$2^2\times 7^2\times {\mathrm{446081}}^1$

素因数の和:446099

約数の個数: 18

約数和(自身を含む): 177986718

約数和(自身を除く): 90554842

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 446081, 892162, 1784324, 3122567, 6245134, 12490268, 21857969, 43715938, 87431876]

約数ペア:

[(1, 87431876), (2, 43715938), (4, 21857969), (7, 12490268), (14, 6245134), (28, 3122567), (49, 1784324), (98, 892162), (196, 446081)]