81686358

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{967}}^1$

素因数の和:1026

約数の個数: 72

約数和(自身を含む): 201369168

約数和(自身を除く): 119682810

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 38, 39, 57, 78, 114, 117, 171, 234, 247, 342, 361, 494, 722, 741, 967, 1083, 1482, 1934, 2166, 2223, 2901, 3249, 4446, 4693, 5802, 6498, 8703, 9386, 12571, 14079, 17406, 18373, 25142, 28158, 36746, 37713, 42237, 55119, 75426, 84474, 110238, 113139, 165357, 226278, 238849, 330714, 349087, 477698, 698174, 716547, 1047261, 1433094, 2094522, 2149641, 3141783, 4299282, 4538131, 6283566, 9076262, 13614393, 27228786, 40843179, 81686358]

約数ペア:

[(1, 81686358), (2, 40843179), (3, 27228786), (6, 13614393), (9, 9076262), (13, 6283566), (18, 4538131), (19, 4299282), (26, 3141783), (38, 2149641), (39, 2094522), (57, 1433094), (78, 1047261), (114, 716547), (117, 698174), (171, 477698), (234, 349087), (247, 330714), (342, 238849), (361, 226278), (494, 165357), (722, 113139), (741, 110238), (967, 84474), (1083, 75426), (1482, 55119), (1934, 42237), (2166, 37713), (2223, 36746), (2901, 28158), (3249, 25142), (4446, 18373), (4693, 17406), (5802, 14079), (6498, 12571), (8703, 9386)]