31319155

素因数分解:

$5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{241}}^1$

素因数の和:379

約数の個数: 32

約数和(自身を含む): 44605440

約数和(自身を除く): 13286285

約数列:

[1, 5, 7, 35, 47, 79, 235, 241, 329, 395, 553, 1205, 1645, 1687, 2765, 3713, 8435, 11327, 18565, 19039, 25991, 56635, 79289, 95195, 129955, 133273, 396445, 666365, 894833, 4474165, 6263831, 31319155]

約数ペア:

[(1, 31319155), (5, 6263831), (7, 4474165), (35, 894833), (47, 666365), (79, 396445), (235, 133273), (241, 129955), (329, 95195), (395, 79289), (553, 56635), (1205, 25991), (1645, 19039), (1687, 18565), (2765, 11327), (3713, 8435)]