668889774

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{143477}}^1$

素因数の和:143529

約数の個数: 48

約数和(自身を含む): 1701075168

約数和(自身を除く): 1032185394

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 37, 42, 63, 74, 111, 126, 222, 259, 333, 518, 666, 777, 1554, 2331, 4662, 143477, 286954, 430431, 860862, 1004339, 1291293, 2008678, 2582586, 3013017, 5308649, 6026034, 9039051, 10617298, 15925947, 18078102, 31851894, 37160543, 47777841, 74321086, 95555682, 111481629, 222963258, 334444887, 668889774]

約数ペア:

[(1, 668889774), (2, 334444887), (3, 222963258), (6, 111481629), (7, 95555682), (9, 74321086), (14, 47777841), (18, 37160543), (21, 31851894), (37, 18078102), (42, 15925947), (63, 10617298), (74, 9039051), (111, 6026034), (126, 5308649), (222, 3013017), (259, 2582586), (333, 2008678), (518, 1291293), (666, 1004339), (777, 860862), (1554, 430431), (2331, 286954), (4662, 143477)]