387778428

素因数分解:

$2^2\times 3^6\times {\mathrm{71}}^1\times {\mathrm{1873}}^1$

素因数の和:1966

約数の個数: 84

約数和(自身を含む): 1032334128

約数和(自身を除く): 644555700

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 71, 81, 108, 142, 162, 213, 243, 284, 324, 426, 486, 639, 729, 852, 972, 1278, 1458, 1873, 1917, 2556, 2916, 3746, 3834, 5619, 5751, 7492, 7668, 11238, 11502, 16857, 17253, 22476, 23004, 33714, 34506, 50571, 51759, 67428, 69012, 101142, 103518, 132983, 151713, 202284, 207036, 265966, 303426, 398949, 455139, 531932, 606852, 797898, 910278, 1196847, 1365417, 1595796, 1820556, 2393694, 2730834, 3590541, 4787388, 5461668, 7181082, 10771623, 14362164, 21543246, 32314869, 43086492, 64629738, 96944607, 129259476, 193889214, 387778428]

約数ペア:

[(1, 387778428), (2, 193889214), (3, 129259476), (4, 96944607), (6, 64629738), (9, 43086492), (12, 32314869), (18, 21543246), (27, 14362164), (36, 10771623), (54, 7181082), (71, 5461668), (81, 4787388), (108, 3590541), (142, 2730834), (162, 2393694), (213, 1820556), (243, 1595796), (284, 1365417), (324, 1196847), (426, 910278), (486, 797898), (639, 606852), (729, 531932), (852, 455139), (972, 398949), (1278, 303426), (1458, 265966), (1873, 207036), (1917, 202284), (2556, 151713), (2916, 132983), (3746, 103518), (3834, 101142), (5619, 69012), (5751, 67428), (7492, 51759), (7668, 50571), (11238, 34506), (11502, 33714), (16857, 23004), (17253, 22476)]