78381352

素因数分解:

$2^3\times 7^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1$

素因数の和:350

約数の個数: 64

約数和(自身を含む): 172523520

約数和(自身を除く): 94142168

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 103, 107, 127, 206, 214, 254, 412, 428, 508, 721, 749, 824, 856, 889, 1016, 1442, 1498, 1778, 2884, 2996, 3556, 5768, 5992, 7112, 11021, 13081, 13589, 22042, 26162, 27178, 44084, 52324, 54356, 77147, 88168, 91567, 95123, 104648, 108712, 154294, 183134, 190246, 308588, 366268, 380492, 617176, 732536, 760984, 1399667, 2799334, 5598668, 9797669, 11197336, 19595338, 39190676, 78381352]

約数ペア:

[(1, 78381352), (2, 39190676), (4, 19595338), (7, 11197336), (8, 9797669), (14, 5598668), (28, 2799334), (56, 1399667), (103, 760984), (107, 732536), (127, 617176), (206, 380492), (214, 366268), (254, 308588), (412, 190246), (428, 183134), (508, 154294), (721, 108712), (749, 104648), (824, 95123), (856, 91567), (889, 88168), (1016, 77147), (1442, 54356), (1498, 52324), (1778, 44084), (2884, 27178), (2996, 26162), (3556, 22042), (5768, 13589), (5992, 13081), (7112, 11021)]