81914064

素因数分解:

$2^4\times 3^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{389}}^1$

素因数の和:548

約数の個数: 80

約数和(自身を含む): 219360960

約数和(自身を除く): 137446896

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 41, 48, 82, 107, 123, 164, 214, 246, 321, 328, 389, 428, 492, 642, 656, 778, 856, 984, 1167, 1284, 1556, 1712, 1968, 2334, 2568, 3112, 4387, 4668, 5136, 6224, 8774, 9336, 13161, 15949, 17548, 18672, 26322, 31898, 35096, 41623, 47847, 52644, 63796, 70192, 83246, 95694, 105288, 124869, 127592, 166492, 191388, 210576, 249738, 255184, 332984, 382776, 499476, 665968, 765552, 998952, 1706543, 1997904, 3413086, 5119629, 6826172, 10239258, 13652344, 20478516, 27304688, 40957032, 81914064]

約数ペア:

[(1, 81914064), (2, 40957032), (3, 27304688), (4, 20478516), (6, 13652344), (8, 10239258), (12, 6826172), (16, 5119629), (24, 3413086), (41, 1997904), (48, 1706543), (82, 998952), (107, 765552), (123, 665968), (164, 499476), (214, 382776), (246, 332984), (321, 255184), (328, 249738), (389, 210576), (428, 191388), (492, 166492), (642, 127592), (656, 124869), (778, 105288), (856, 95694), (984, 83246), (1167, 70192), (1284, 63796), (1556, 52644), (1712, 47847), (1968, 41623), (2334, 35096), (2568, 31898), (3112, 26322), (4387, 18672), (4668, 17548), (5136, 15949), (6224, 13161), (8774, 9336)]