71642896

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{20261}}^1$

素因数の和:20299

約数の個数: 40

約数和(自身を含む): 158286744

約数和(自身を除く): 86643848

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1768, 3536, 20261, 40522, 81044, 162088, 263393, 324176, 344437, 526786, 688874, 1053572, 1377748, 2107144, 2755496, 4214288, 4477681, 5510992, 8955362, 17910724, 35821448, 71642896]

約数ペア:

[(1, 71642896), (2, 35821448), (4, 17910724), (8, 8955362), (13, 5510992), (16, 4477681), (17, 4214288), (26, 2755496), (34, 2107144), (52, 1377748), (68, 1053572), (104, 688874), (136, 526786), (208, 344437), (221, 324176), (272, 263393), (442, 162088), (884, 81044), (1768, 40522), (3536, 20261)]