71681478

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47221}}^1$

素因数の和:47260

約数の個数: 32

約数和(自身を含む): 163199232

約数和(自身を除く): 91517754

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 46, 66, 69, 138, 253, 506, 759, 1518, 47221, 94442, 141663, 283326, 519431, 1038862, 1086083, 1558293, 2172166, 3116586, 3258249, 6516498, 11946913, 23893826, 35840739, 71681478]

約数ペア:

[(1, 71681478), (2, 35840739), (3, 23893826), (6, 11946913), (11, 6516498), (22, 3258249), (23, 3116586), (33, 2172166), (46, 1558293), (66, 1086083), (69, 1038862), (138, 519431), (253, 283326), (506, 141663), (759, 94442), (1518, 47221)]