78171678

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{457}}^1$

素因数の和:538

約数の個数: 96

約数和(自身を含む): 198053856

約数和(自身を除く): 119882178

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 43, 51, 78, 86, 102, 117, 129, 153, 221, 234, 258, 306, 387, 442, 457, 559, 663, 731, 774, 914, 1118, 1326, 1371, 1462, 1677, 1989, 2193, 2742, 3354, 3978, 4113, 4386, 5031, 5941, 6579, 7769, 8226, 9503, 10062, 11882, 13158, 15538, 17823, 19006, 19651, 23307, 28509, 35646, 39302, 46614, 53469, 57018, 58953, 69921, 85527, 100997, 106938, 117906, 139842, 171054, 176859, 201994, 255463, 302991, 334067, 353718, 510926, 605982, 668134, 766389, 908973, 1002201, 1532778, 1817946, 2004402, 2299167, 3006603, 4342871, 4598334, 6013206, 8685742, 13028613, 26057226, 39085839, 78171678]

約数ペア:

[(1, 78171678), (2, 39085839), (3, 26057226), (6, 13028613), (9, 8685742), (13, 6013206), (17, 4598334), (18, 4342871), (26, 3006603), (34, 2299167), (39, 2004402), (43, 1817946), (51, 1532778), (78, 1002201), (86, 908973), (102, 766389), (117, 668134), (129, 605982), (153, 510926), (221, 353718), (234, 334067), (258, 302991), (306, 255463), (387, 201994), (442, 176859), (457, 171054), (559, 139842), (663, 117906), (731, 106938), (774, 100997), (914, 85527), (1118, 69921), (1326, 58953), (1371, 57018), (1462, 53469), (1677, 46614), (1989, 39302), (2193, 35646), (2742, 28509), (3354, 23307), (3978, 19651), (4113, 19006), (4386, 17823), (5031, 15538), (5941, 13158), (6579, 11882), (7769, 10062), (8226, 9503)]