81243316

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{13883}}^1$

素因数の和:13924

約数の個数: 48

約数和(自身を含む): 186600960

約数和(自身を除く): 105357644

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 76, 77, 133, 154, 209, 266, 308, 418, 532, 836, 1463, 2926, 5852, 13883, 27766, 55532, 97181, 152713, 194362, 263777, 305426, 388724, 527554, 610852, 1055108, 1068991, 1846439, 2137982, 2901547, 3692878, 4275964, 5803094, 7385756, 11606188, 20310829, 40621658, 81243316]

約数ペア:

[(1, 81243316), (2, 40621658), (4, 20310829), (7, 11606188), (11, 7385756), (14, 5803094), (19, 4275964), (22, 3692878), (28, 2901547), (38, 2137982), (44, 1846439), (76, 1068991), (77, 1055108), (133, 610852), (154, 527554), (209, 388724), (266, 305426), (308, 263777), (418, 194362), (532, 152713), (836, 97181), (1463, 55532), (2926, 27766), (5852, 13883)]