81921868

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{233}}^1\times {\mathrm{433}}^1$

素因数の和:706

約数の個数: 48

約数和(自身を含む): 170614080

約数和(自身を除く): 88692212

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 233, 406, 433, 466, 812, 866, 932, 1631, 1732, 3031, 3262, 6062, 6524, 6757, 12124, 12557, 13514, 25114, 27028, 47299, 50228, 87899, 94598, 100889, 175798, 189196, 201778, 351596, 403556, 706223, 1412446, 2824892, 2925781, 5851562, 11703124, 20480467, 40960934, 81921868]

約数ペア:

[(1, 81921868), (2, 40960934), (4, 20480467), (7, 11703124), (14, 5851562), (28, 2925781), (29, 2824892), (58, 1412446), (116, 706223), (203, 403556), (233, 351596), (406, 201778), (433, 189196), (466, 175798), (812, 100889), (866, 94598), (932, 87899), (1631, 50228), (1732, 47299), (3031, 27028), (3262, 25114), (6062, 13514), (6524, 12557), (6757, 12124)]