81293590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{3217}}^1$

素因数の和:3269

約数の個数: 48

約数和(自身を含む): 176552352

約数和(自身を除く): 95258762

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 361, 665, 722, 1330, 1805, 2527, 3217, 3610, 5054, 6434, 12635, 16085, 22519, 25270, 32170, 45038, 61123, 112595, 122246, 225190, 305615, 427861, 611230, 855722, 1161337, 2139305, 2322674, 4278610, 5806685, 8129359, 11613370, 16258718, 40646795, 81293590]

約数ペア:

[(1, 81293590), (2, 40646795), (5, 16258718), (7, 11613370), (10, 8129359), (14, 5806685), (19, 4278610), (35, 2322674), (38, 2139305), (70, 1161337), (95, 855722), (133, 611230), (190, 427861), (266, 305615), (361, 225190), (665, 122246), (722, 112595), (1330, 61123), (1805, 45038), (2527, 32170), (3217, 25270), (3610, 22519), (5054, 16085), (6434, 12635)]