81767646

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{31}}^2\times {\mathrm{163}}^1$

素因数の和:262

約数の個数: 72

約数和(自身を含む): 190536840

約数和(自身を除く): 108769194

約数列:

[1, 2, 3, 6, 9, 18, 29, 31, 58, 62, 87, 93, 163, 174, 186, 261, 279, 326, 489, 522, 558, 899, 961, 978, 1467, 1798, 1922, 2697, 2883, 2934, 4727, 5053, 5394, 5766, 8091, 8649, 9454, 10106, 14181, 15159, 16182, 17298, 27869, 28362, 30318, 42543, 45477, 55738, 83607, 85086, 90954, 146537, 156643, 167214, 250821, 293074, 313286, 439611, 469929, 501642, 879222, 939858, 1318833, 1409787, 2637666, 2819574, 4542647, 9085294, 13627941, 27255882, 40883823, 81767646]

約数ペア:

[(1, 81767646), (2, 40883823), (3, 27255882), (6, 13627941), (9, 9085294), (18, 4542647), (29, 2819574), (31, 2637666), (58, 1409787), (62, 1318833), (87, 939858), (93, 879222), (163, 501642), (174, 469929), (186, 439611), (261, 313286), (279, 293074), (326, 250821), (489, 167214), (522, 156643), (558, 146537), (899, 90954), (961, 85086), (978, 83607), (1467, 55738), (1798, 45477), (1922, 42543), (2697, 30318), (2883, 28362), (2934, 27869), (4727, 17298), (5053, 16182), (5394, 15159), (5766, 14181), (8091, 10106), (8649, 9454)]