278345756

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{67757}}^1$

素因数の和:67853

約数の個数: 24

約数和(自身を含む): 531222720

約数和(自身を除く): 252876964

約数列:

[1, 2, 4, 13, 26, 52, 79, 158, 316, 1027, 2054, 4108, 67757, 135514, 271028, 880841, 1761682, 3523364, 5352803, 10705606, 21411212, 69586439, 139172878, 278345756]

約数ペア:

[(1, 278345756), (2, 139172878), (4, 69586439), (13, 21411212), (26, 10705606), (52, 5352803), (79, 3523364), (158, 1761682), (316, 880841), (1027, 271028), (2054, 135514), (4108, 67757)]