2812878

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{71}}^2$

素因数の和:181

約数の個数: 36

約数和(自身を含む): 6381024

約数和(自身を除く): 3568146

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 71, 93, 142, 186, 213, 279, 426, 558, 639, 1278, 2201, 4402, 5041, 6603, 10082, 13206, 15123, 19809, 30246, 39618, 45369, 90738, 156271, 312542, 468813, 937626, 1406439, 2812878]

約数ペア:

[(1, 2812878), (2, 1406439), (3, 937626), (6, 468813), (9, 312542), (18, 156271), (31, 90738), (62, 45369), (71, 39618), (93, 30246), (142, 19809), (186, 15123), (213, 13206), (279, 10082), (426, 6603), (558, 5041), (639, 4402), (1278, 2201)]