84678244

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{21757}}^1$

素因数の和:21907

約数の個数: 24

約数和(自身を含む): 170582720

約数和(自身を除く): 85904476

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 21757, 43514, 87028, 152299, 304598, 609196, 3024223, 6048446, 12096892, 21169561, 42339122, 84678244]

約数ペア:

[(1, 84678244), (2, 42339122), (4, 21169561), (7, 12096892), (14, 6048446), (28, 3024223), (139, 609196), (278, 304598), (556, 152299), (973, 87028), (1946, 43514), (3892, 21757)]