138804560645

素因数分解:

$5^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1\times {\mathrm{19841}}^1$

素因数の和:20213

約数の個数: 32

約数和(自身を含む): 171434880000

約数和(自身を除く): 32630319355

約数列:

[1, 5, 79, 89, 199, 395, 445, 995, 7031, 15721, 17711, 19841, 35155, 78605, 88555, 99205, 1399169, 1567439, 1765849, 3948359, 6995845, 7837195, 8829245, 19741795, 139502071, 311920361, 351403951, 697510355, 1559601805, 1757019755, 27760912129, 138804560645]

約数ペア:

[(1, 138804560645), (5, 27760912129), (79, 1757019755), (89, 1559601805), (199, 697510355), (395, 351403951), (445, 311920361), (995, 139502071), (7031, 19741795), (15721, 8829245), (17711, 7837195), (19841, 6995845), (35155, 3948359), (78605, 1765849), (88555, 1567439), (99205, 1399169)]