818352756

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{4339}}^1$

素因数の和:4406

約数の個数: 108

約数和(自身を含む): 2312768640

約数和(自身を除く): 1494415884

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 52, 62, 78, 93, 117, 124, 156, 169, 186, 234, 279, 338, 372, 403, 468, 507, 558, 676, 806, 1014, 1116, 1209, 1521, 1612, 2028, 2418, 3042, 3627, 4339, 4836, 5239, 6084, 7254, 8678, 10478, 13017, 14508, 15717, 17356, 20956, 26034, 31434, 39051, 47151, 52068, 56407, 62868, 78102, 94302, 112814, 134509, 156204, 169221, 188604, 225628, 269018, 338442, 403527, 507663, 538036, 676884, 733291, 807054, 1015326, 1210581, 1466582, 1614108, 1748617, 2030652, 2199873, 2421162, 2933164, 3497234, 4399746, 4842324, 5245851, 6599619, 6994468, 8799492, 10491702, 13199238, 15737553, 20983404, 22732021, 26398476, 31475106, 45464042, 62950212, 68196063, 90928084, 136392126, 204588189, 272784252, 409176378, 818352756]

約数ペア:

[(1, 818352756), (2, 409176378), (3, 272784252), (4, 204588189), (6, 136392126), (9, 90928084), (12, 68196063), (13, 62950212), (18, 45464042), (26, 31475106), (31, 26398476), (36, 22732021), (39, 20983404), (52, 15737553), (62, 13199238), (78, 10491702), (93, 8799492), (117, 6994468), (124, 6599619), (156, 5245851), (169, 4842324), (186, 4399746), (234, 3497234), (279, 2933164), (338, 2421162), (372, 2199873), (403, 2030652), (468, 1748617), (507, 1614108), (558, 1466582), (676, 1210581), (806, 1015326), (1014, 807054), (1116, 733291), (1209, 676884), (1521, 538036), (1612, 507663), (2028, 403527), (2418, 338442), (3042, 269018), (3627, 225628), (4339, 188604), (4836, 169221), (5239, 156204), (6084, 134509), (7254, 112814), (8678, 94302), (10478, 78102), (13017, 62868), (14508, 56407), (15717, 52068), (17356, 47151), (20956, 39051), (26034, 31434)]