81731274

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{233}}^1$

素因数の和:455

約数の個数: 64

約数和(自身を含む): 183980160

約数和(自身を除く): 102248886

約数列:

[1, 2, 3, 6, 17, 19, 34, 38, 51, 57, 102, 114, 181, 233, 323, 362, 466, 543, 646, 699, 969, 1086, 1398, 1938, 3077, 3439, 3961, 4427, 6154, 6878, 7922, 8854, 9231, 10317, 11883, 13281, 18462, 20634, 23766, 26562, 42173, 58463, 75259, 84346, 116926, 126519, 150518, 175389, 225777, 253038, 350778, 451554, 716941, 801287, 1433882, 1602574, 2150823, 2403861, 4301646, 4807722, 13621879, 27243758, 40865637, 81731274]

約数ペア:

[(1, 81731274), (2, 40865637), (3, 27243758), (6, 13621879), (17, 4807722), (19, 4301646), (34, 2403861), (38, 2150823), (51, 1602574), (57, 1433882), (102, 801287), (114, 716941), (181, 451554), (233, 350778), (323, 253038), (362, 225777), (466, 175389), (543, 150518), (646, 126519), (699, 116926), (969, 84346), (1086, 75259), (1398, 58463), (1938, 42173), (3077, 26562), (3439, 23766), (3961, 20634), (4427, 18462), (6154, 13281), (6878, 11883), (7922, 10317), (8854, 9231)]