81493156972

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1\times {\mathrm{126031}}^1$

素因数の和:126346

約数の個数: 48

約数和(自身を含む): 155687833728

約数和(自身を除く): 74194676756

約数列:

[1, 2, 4, 17, 34, 37, 68, 74, 148, 257, 514, 629, 1028, 1258, 2516, 4369, 8738, 9509, 17476, 19018, 38036, 126031, 161653, 252062, 323306, 504124, 646612, 2142527, 4285054, 4663147, 8570108, 9326294, 18652588, 32389967, 64779934, 79273499, 129559868, 158546998, 317093996, 550629439, 1101258878, 1198428779, 2202517756, 2396857558, 4793715116, 20373289243, 40746578486, 81493156972]

約数ペア:

[(1, 81493156972), (2, 40746578486), (4, 20373289243), (17, 4793715116), (34, 2396857558), (37, 2202517756), (68, 1198428779), (74, 1101258878), (148, 550629439), (257, 317093996), (514, 158546998), (629, 129559868), (1028, 79273499), (1258, 64779934), (2516, 32389967), (4369, 18652588), (8738, 9326294), (9509, 8570108), (17476, 4663147), (19018, 4285054), (38036, 2142527), (126031, 646612), (161653, 504124), (252062, 323306)]