78870834

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{157}}^1\times {\mathrm{443}}^1$

素因数の和:621

約数の個数: 80

約数和(自身を含む): 203721408

約数和(自身を除く): 124850574

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 157, 162, 189, 314, 378, 443, 471, 567, 886, 942, 1099, 1134, 1329, 1413, 2198, 2658, 2826, 3101, 3297, 3987, 4239, 6202, 6594, 7974, 8478, 9303, 9891, 11961, 12717, 18606, 19782, 23922, 25434, 27909, 29673, 35883, 55818, 59346, 69551, 71766, 83727, 89019, 139102, 167454, 178038, 208653, 251181, 417306, 486857, 502362, 625959, 973714, 1251918, 1460571, 1877877, 2921142, 3755754, 4381713, 5633631, 8763426, 11267262, 13145139, 26290278, 39435417, 78870834]

約数ペア:

[(1, 78870834), (2, 39435417), (3, 26290278), (6, 13145139), (7, 11267262), (9, 8763426), (14, 5633631), (18, 4381713), (21, 3755754), (27, 2921142), (42, 1877877), (54, 1460571), (63, 1251918), (81, 973714), (126, 625959), (157, 502362), (162, 486857), (189, 417306), (314, 251181), (378, 208653), (443, 178038), (471, 167454), (567, 139102), (886, 89019), (942, 83727), (1099, 71766), (1134, 69551), (1329, 59346), (1413, 55818), (2198, 35883), (2658, 29673), (2826, 27909), (3101, 25434), (3297, 23922), (3987, 19782), (4239, 18606), (6202, 12717), (6594, 11961), (7974, 9891), (8478, 9303)]