71786178

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{569}}^1$

素因数の和:783

約数の個数: 48

約数和(自身を含む): 160411680

約数和(自身を除く): 88625502

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 163, 258, 326, 387, 489, 569, 774, 978, 1138, 1467, 1707, 2934, 3414, 5121, 7009, 10242, 14018, 21027, 24467, 42054, 48934, 63081, 73401, 92747, 126162, 146802, 185494, 220203, 278241, 440406, 556482, 834723, 1669446, 3988121, 7976242, 11964363, 23928726, 35893089, 71786178]

約数ペア:

[(1, 71786178), (2, 35893089), (3, 23928726), (6, 11964363), (9, 7976242), (18, 3988121), (43, 1669446), (86, 834723), (129, 556482), (163, 440406), (258, 278241), (326, 220203), (387, 185494), (489, 146802), (569, 126162), (774, 92747), (978, 73401), (1138, 63081), (1467, 48934), (1707, 42054), (2934, 24467), (3414, 21027), (5121, 14018), (7009, 10242)]