2018382275

素因数分解:

$5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{126743}}^1$

素因数の和:126780

約数の個数: 36

約数和(自身を含む): 3135393072

約数和(自身を除く): 1117010797

約数列:

[1, 5, 7, 13, 25, 35, 49, 65, 91, 175, 245, 325, 455, 637, 1225, 2275, 3185, 15925, 126743, 633715, 887201, 1647659, 3168575, 4436005, 6210407, 8238295, 11533613, 22180025, 31052035, 41191475, 57668065, 80735291, 155260175, 288340325, 403676455, 2018382275]

約数ペア:

[(1, 2018382275), (5, 403676455), (7, 288340325), (13, 155260175), (25, 80735291), (35, 57668065), (49, 41191475), (65, 31052035), (91, 22180025), (175, 11533613), (245, 8238295), (325, 6210407), (455, 4436005), (637, 3168575), (1225, 1647659), (2275, 887201), (3185, 633715), (15925, 126743)]