81351998

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{14419}}^1$

素因数の和:14472

約数の個数: 32

約数和(自身を含む): 155043840

約数和(自身を除く): 73691842

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 91, 182, 217, 403, 434, 806, 2821, 5642, 14419, 28838, 100933, 187447, 201866, 374894, 446989, 893978, 1312129, 2624258, 3128923, 5810857, 6257846, 11621714, 40675999, 81351998]

約数ペア:

[(1, 81351998), (2, 40675999), (7, 11621714), (13, 6257846), (14, 5810857), (26, 3128923), (31, 2624258), (62, 1312129), (91, 893978), (182, 446989), (217, 374894), (403, 201866), (434, 187447), (806, 100933), (2821, 28838), (5642, 14419)]