161996724

素因数分解:

$2^2\times 3^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{1039}}^1$

素因数の和:1181

約数の個数: 72

約数和(自身を含む): 422472960

約数和(自身を除く): 260476236

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 61, 71, 122, 142, 183, 213, 244, 284, 366, 426, 549, 639, 732, 852, 1039, 1098, 1278, 2078, 2196, 2556, 3117, 4156, 4331, 6234, 8662, 9351, 12468, 12993, 17324, 18702, 25986, 37404, 38979, 51972, 63379, 73769, 77958, 126758, 147538, 155916, 190137, 221307, 253516, 295076, 380274, 442614, 570411, 663921, 760548, 885228, 1140822, 1327842, 2281644, 2655684, 4499909, 8999818, 13499727, 17999636, 26999454, 40499181, 53998908, 80998362, 161996724]

約数ペア:

[(1, 161996724), (2, 80998362), (3, 53998908), (4, 40499181), (6, 26999454), (9, 17999636), (12, 13499727), (18, 8999818), (36, 4499909), (61, 2655684), (71, 2281644), (122, 1327842), (142, 1140822), (183, 885228), (213, 760548), (244, 663921), (284, 570411), (366, 442614), (426, 380274), (549, 295076), (639, 253516), (732, 221307), (852, 190137), (1039, 155916), (1098, 147538), (1278, 126758), (2078, 77958), (2196, 73769), (2556, 63379), (3117, 51972), (4156, 38979), (4331, 37404), (6234, 25986), (8662, 18702), (9351, 17324), (12468, 12993)]