78897136

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{431}}^1\times {\mathrm{673}}^1$

素因数の和:1129

約数の個数: 40

約数和(自身を含む): 162471744

約数和(自身を除く): 83574608

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 431, 673, 862, 1346, 1724, 2692, 3448, 5384, 6896, 7327, 10768, 11441, 14654, 22882, 29308, 45764, 58616, 91528, 117232, 183056, 290063, 580126, 1160252, 2320504, 4641008, 4931071, 9862142, 19724284, 39448568, 78897136]

約数ペア:

[(1, 78897136), (2, 39448568), (4, 19724284), (8, 9862142), (16, 4931071), (17, 4641008), (34, 2320504), (68, 1160252), (136, 580126), (272, 290063), (431, 183056), (673, 117232), (862, 91528), (1346, 58616), (1724, 45764), (2692, 29308), (3448, 22882), (5384, 14654), (6896, 11441), (7327, 10768)]