2788891588

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{809}}^1$

素因数の和:997

約数の個数: 96

約数和(自身を含む): 5996229120

約数和(自身を除く): 3207337532

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 53, 92, 101, 106, 161, 202, 212, 322, 371, 404, 644, 707, 742, 809, 1219, 1414, 1484, 1618, 2323, 2438, 2828, 3236, 4646, 4876, 5353, 5663, 8533, 9292, 10706, 11326, 16261, 17066, 18607, 21412, 22652, 32522, 34132, 37214, 37471, 42877, 65044, 74428, 74942, 81709, 85754, 123119, 130249, 149884, 163418, 171508, 246238, 260498, 300139, 326836, 492476, 520996, 571963, 600278, 861833, 986171, 1143926, 1200556, 1723666, 1879307, 1972342, 2287852, 3447332, 3758614, 3944684, 4330577, 6903197, 7517228, 8661154, 13155149, 13806394, 17322308, 26310298, 27612788, 30314039, 52620596, 60628078, 99603271, 121256156, 199206542, 398413084, 697222897, 1394445794, 2788891588]

約数ペア:

[(1, 2788891588), (2, 1394445794), (4, 697222897), (7, 398413084), (14, 199206542), (23, 121256156), (28, 99603271), (46, 60628078), (53, 52620596), (92, 30314039), (101, 27612788), (106, 26310298), (161, 17322308), (202, 13806394), (212, 13155149), (322, 8661154), (371, 7517228), (404, 6903197), (644, 4330577), (707, 3944684), (742, 3758614), (809, 3447332), (1219, 2287852), (1414, 1972342), (1484, 1879307), (1618, 1723666), (2323, 1200556), (2438, 1143926), (2828, 986171), (3236, 861833), (4646, 600278), (4876, 571963), (5353, 520996), (5663, 492476), (8533, 326836), (9292, 300139), (10706, 260498), (11326, 246238), (16261, 171508), (17066, 163418), (18607, 149884), (21412, 130249), (22652, 123119), (32522, 85754), (34132, 81709), (37214, 74942), (37471, 74428), (42877, 65044)]