81489244

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{4019}}^1$

素因数の和:4197

約数の個数: 24

約数和(自身を含む): 147566160

約数和(自身を除く): 66076916

約数列:

[1, 2, 4, 37, 74, 137, 148, 274, 548, 4019, 5069, 8038, 10138, 16076, 20276, 148703, 297406, 550603, 594812, 1101206, 2202412, 20372311, 40744622, 81489244]

約数ペア:

[(1, 81489244), (2, 40744622), (4, 20372311), (37, 2202412), (74, 1101206), (137, 594812), (148, 550603), (274, 297406), (548, 148703), (4019, 20276), (5069, 16076), (8038, 10138)]