81221602

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{997}}^1$

素因数の和:1063

約数の個数: 48

約数和(自身を含む): 158945472

約数和(自身を除く): 77723870

約数列:

[1, 2, 7, 11, 14, 22, 23, 46, 77, 154, 161, 253, 322, 506, 529, 997, 1058, 1771, 1994, 3542, 3703, 5819, 6979, 7406, 10967, 11638, 13958, 21934, 22931, 40733, 45862, 76769, 81466, 153538, 160517, 252241, 321034, 504482, 527413, 1054826, 1765687, 3531374, 3691891, 5801543, 7383782, 11603086, 40610801, 81221602]

約数ペア:

[(1, 81221602), (2, 40610801), (7, 11603086), (11, 7383782), (14, 5801543), (22, 3691891), (23, 3531374), (46, 1765687), (77, 1054826), (154, 527413), (161, 504482), (253, 321034), (322, 252241), (506, 160517), (529, 153538), (997, 81466), (1058, 76769), (1771, 45862), (1994, 40733), (3542, 22931), (3703, 21934), (5819, 13958), (6979, 11638), (7406, 10967)]