81958316

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1\times {\mathrm{241}}^1$

素因数の和:446

約数の個数: 48

約数和(自身を含む): 160997760

約数和(自身を除く): 79039444

約数列:

[1, 2, 4, 11, 22, 44, 59, 118, 131, 236, 241, 262, 482, 524, 649, 964, 1298, 1441, 2596, 2651, 2882, 5302, 5764, 7729, 10604, 14219, 15458, 28438, 30916, 31571, 56876, 63142, 85019, 126284, 156409, 170038, 312818, 340076, 347281, 625636, 694562, 1389124, 1862689, 3725378, 7450756, 20489579, 40979158, 81958316]

約数ペア:

[(1, 81958316), (2, 40979158), (4, 20489579), (11, 7450756), (22, 3725378), (44, 1862689), (59, 1389124), (118, 694562), (131, 625636), (236, 347281), (241, 340076), (262, 312818), (482, 170038), (524, 156409), (649, 126284), (964, 85019), (1298, 63142), (1441, 56876), (2596, 31571), (2651, 30916), (2882, 28438), (5302, 15458), (5764, 14219), (7729, 10604)]