497142

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{389}}^1$

素因数の和:468

約数の個数: 24

約数和(自身を含む): 1095120

約数和(自身を除く): 597978

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 389, 426, 639, 778, 1167, 1278, 2334, 3501, 7002, 27619, 55238, 82857, 165714, 248571, 497142]

約数ペア:

[(1, 497142), (2, 248571), (3, 165714), (6, 82857), (9, 55238), (18, 27619), (71, 7002), (142, 3501), (213, 2334), (389, 1278), (426, 1167), (639, 778)]