668664

素因数分解:

$2^3\times 3^2\times {\mathrm{37}}^1\times {\mathrm{251}}^1$

素因数の和:300

約数の個数: 48

約数和(自身を含む): 1867320

約数和(自身を除く): 1198656

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 37, 72, 74, 111, 148, 222, 251, 296, 333, 444, 502, 666, 753, 888, 1004, 1332, 1506, 2008, 2259, 2664, 3012, 4518, 6024, 9036, 9287, 18072, 18574, 27861, 37148, 55722, 74296, 83583, 111444, 167166, 222888, 334332, 668664]

約数ペア:

[(1, 668664), (2, 334332), (3, 222888), (4, 167166), (6, 111444), (8, 83583), (9, 74296), (12, 55722), (18, 37148), (24, 27861), (36, 18574), (37, 18072), (72, 9287), (74, 9036), (111, 6024), (148, 4518), (222, 3012), (251, 2664), (296, 2259), (333, 2008), (444, 1506), (502, 1332), (666, 1004), (753, 888)]