497502

素因数分解:

$2^1\times 3^4\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:134

約数の個数: 40

約数和(自身を含む): 1158696

約数和(自身を除く): 661194

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 81, 83, 111, 162, 166, 222, 249, 333, 498, 666, 747, 999, 1494, 1998, 2241, 2997, 3071, 4482, 5994, 6142, 6723, 9213, 13446, 18426, 27639, 55278, 82917, 165834, 248751, 497502]

約数ペア:

[(1, 497502), (2, 248751), (3, 165834), (6, 82917), (9, 55278), (18, 27639), (27, 18426), (37, 13446), (54, 9213), (74, 6723), (81, 6142), (83, 5994), (111, 4482), (162, 3071), (166, 2997), (222, 2241), (249, 1998), (333, 1494), (498, 999), (666, 747)]