131506985

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{491}}^1$

素因数の和:673

約数の個数: 32

約数和(自身を含む): 175986432

約数和(自身を除く): 44479447

約数列:

[1, 5, 17, 23, 85, 115, 137, 391, 491, 685, 1955, 2329, 2455, 3151, 8347, 11293, 11645, 15755, 41735, 53567, 56465, 67267, 191981, 267835, 336335, 959905, 1143539, 1547141, 5717695, 7735705, 26301397, 131506985]

約数ペア:

[(1, 131506985), (5, 26301397), (17, 7735705), (23, 5717695), (85, 1547141), (115, 1143539), (137, 959905), (391, 336335), (491, 267835), (685, 191981), (1955, 67267), (2329, 56465), (2455, 53567), (3151, 41735), (8347, 15755), (11293, 11645)]