313980318

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{245681}}^1$

素因数の和:245760

約数の個数: 24

約数和(自身を含む): 689875056

約数和(自身を除く): 375894738

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 245681, 491362, 737043, 1474086, 2211129, 4422258, 17443351, 34886702, 52330053, 104660106, 156990159, 313980318]

約数ペア:

[(1, 313980318), (2, 156990159), (3, 104660106), (6, 52330053), (9, 34886702), (18, 17443351), (71, 4422258), (142, 2211129), (213, 1474086), (426, 737043), (639, 491362), (1278, 245681)]