31291876

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{283}}^1\times {\mathrm{359}}^1$

素因数の和:664

約数の個数: 48

約数和(自身を含む): 68705280

約数和(自身を除く): 37413404

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 283, 308, 359, 566, 718, 1132, 1436, 1981, 2513, 3113, 3949, 3962, 5026, 6226, 7898, 7924, 10052, 12452, 15796, 21791, 27643, 43582, 55286, 87164, 101597, 110572, 203194, 406388, 711179, 1117567, 1422358, 2235134, 2844716, 4470268, 7822969, 15645938, 31291876]

約数ペア:

[(1, 31291876), (2, 15645938), (4, 7822969), (7, 4470268), (11, 2844716), (14, 2235134), (22, 1422358), (28, 1117567), (44, 711179), (77, 406388), (154, 203194), (283, 110572), (308, 101597), (359, 87164), (566, 55286), (718, 43582), (1132, 27643), (1436, 21791), (1981, 15796), (2513, 12452), (3113, 10052), (3949, 7924), (3962, 7898), (5026, 6226)]