281163428

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{24917}}^1$

素因数の和:24972

約数の個数: 48

約数和(自身を含む): 625142784

約数和(自身を除く): 343979356

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 91, 124, 182, 217, 364, 403, 434, 806, 868, 1612, 2821, 5642, 11284, 24917, 49834, 99668, 174419, 323921, 348838, 647842, 697676, 772427, 1295684, 1544854, 2267447, 3089708, 4534894, 5406989, 9069788, 10041551, 10813978, 20083102, 21627956, 40166204, 70290857, 140581714, 281163428]

約数ペア:

[(1, 281163428), (2, 140581714), (4, 70290857), (7, 40166204), (13, 21627956), (14, 20083102), (26, 10813978), (28, 10041551), (31, 9069788), (52, 5406989), (62, 4534894), (91, 3089708), (124, 2267447), (182, 1544854), (217, 1295684), (364, 772427), (403, 697676), (434, 647842), (806, 348838), (868, 323921), (1612, 174419), (2821, 99668), (5642, 49834), (11284, 24917)]