139186838

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{4517}}^1$

素因数の和:4628

約数の個数: 32

約数和(自身を含む): 249827328

約数和(自身を除く): 110640490

約数列:

[1, 2, 7, 14, 31, 62, 71, 142, 217, 434, 497, 994, 2201, 4402, 4517, 9034, 15407, 30814, 31619, 63238, 140027, 280054, 320707, 641414, 980189, 1960378, 2244949, 4489898, 9941917, 19883834, 69593419, 139186838]

約数ペア:

[(1, 139186838), (2, 69593419), (7, 19883834), (14, 9941917), (31, 4489898), (62, 2244949), (71, 1960378), (142, 980189), (217, 641414), (434, 320707), (497, 280054), (994, 140027), (2201, 63238), (4402, 31619), (4517, 30814), (9034, 15407)]