81554290

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{227}}^1\times {\mathrm{971}}^1$

素因数の和:1242

約数の個数: 32

約数和(自身を含む): 151585344

約数和(自身を除く): 70031054

約数列:

[1, 2, 5, 10, 37, 74, 185, 227, 370, 454, 971, 1135, 1942, 2270, 4855, 8399, 9710, 16798, 35927, 41995, 71854, 83990, 179635, 220417, 359270, 440834, 1102085, 2204170, 8155429, 16310858, 40777145, 81554290]

約数ペア:

[(1, 81554290), (2, 40777145), (5, 16310858), (10, 8155429), (37, 2204170), (74, 1102085), (185, 440834), (227, 359270), (370, 220417), (454, 179635), (971, 83990), (1135, 71854), (1942, 41995), (2270, 35927), (4855, 16798), (8399, 9710)]