78279796

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{20113}}^1$

素因数の和:20263

約数の個数: 24

約数和(自身を含む): 157693760

約数和(自身を除く): 79413964

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 20113, 40226, 80452, 140791, 281582, 563164, 2795707, 5591414, 11182828, 19569949, 39139898, 78279796]

約数ペア:

[(1, 78279796), (2, 39139898), (4, 19569949), (7, 11182828), (14, 5591414), (28, 2795707), (139, 563164), (278, 281582), (556, 140791), (973, 80452), (1946, 40226), (3892, 20113)]