66878708

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:217

約数の個数: 72

約数和(自身を含む): 137733120

約数和(自身を除く): 70854412

約数列:

[1, 2, 4, 13, 19, 26, 38, 41, 52, 76, 82, 127, 164, 169, 247, 254, 338, 494, 508, 533, 676, 779, 988, 1066, 1558, 1651, 2132, 2413, 3116, 3211, 3302, 4826, 5207, 6422, 6604, 6929, 9652, 10127, 10414, 12844, 13858, 20254, 20828, 21463, 27716, 31369, 40508, 42926, 62738, 67691, 85852, 98933, 125476, 131651, 135382, 197866, 263302, 270764, 395732, 407797, 526604, 815594, 879983, 1286129, 1631188, 1759966, 2572258, 3519932, 5144516, 16719677, 33439354, 66878708]

約数ペア:

[(1, 66878708), (2, 33439354), (4, 16719677), (13, 5144516), (19, 3519932), (26, 2572258), (38, 1759966), (41, 1631188), (52, 1286129), (76, 879983), (82, 815594), (127, 526604), (164, 407797), (169, 395732), (247, 270764), (254, 263302), (338, 197866), (494, 135382), (508, 131651), (533, 125476), (676, 98933), (779, 85852), (988, 67691), (1066, 62738), (1558, 42926), (1651, 40508), (2132, 31369), (2413, 27716), (3116, 21463), (3211, 20828), (3302, 20254), (4826, 13858), (5207, 12844), (6422, 10414), (6604, 10127), (6929, 9652)]