78219876

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{971}}^1$

素因数の和:1129

約数の個数: 72

約数和(自身を含む): 214081056

約数和(自身を除く): 135861180

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 137, 147, 196, 274, 294, 411, 548, 588, 822, 959, 971, 1644, 1918, 1942, 2877, 2913, 3836, 3884, 5754, 5826, 6713, 6797, 11508, 11652, 13426, 13594, 20139, 20391, 26852, 27188, 40278, 40782, 47579, 80556, 81564, 95158, 133027, 142737, 190316, 266054, 285474, 399081, 532108, 570948, 798162, 931189, 1596324, 1862378, 2793567, 3724756, 5587134, 6518323, 11174268, 13036646, 19554969, 26073292, 39109938, 78219876]

約数ペア:

[(1, 78219876), (2, 39109938), (3, 26073292), (4, 19554969), (6, 13036646), (7, 11174268), (12, 6518323), (14, 5587134), (21, 3724756), (28, 2793567), (42, 1862378), (49, 1596324), (84, 931189), (98, 798162), (137, 570948), (147, 532108), (196, 399081), (274, 285474), (294, 266054), (411, 190316), (548, 142737), (588, 133027), (822, 95158), (959, 81564), (971, 80556), (1644, 47579), (1918, 40782), (1942, 40278), (2877, 27188), (2913, 26852), (3836, 20391), (3884, 20139), (5754, 13594), (5826, 13426), (6713, 11652), (6797, 11508)]