388616254

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{613}}^1\times {\mathrm{659}}^1$

素因数の和:1324

約数の個数: 32

約数和(自身を含む): 646763040

約数和(自身を除く): 258146786

約数列:

[1, 2, 13, 26, 37, 74, 481, 613, 659, 962, 1226, 1318, 7969, 8567, 15938, 17134, 22681, 24383, 45362, 48766, 294853, 316979, 403967, 589706, 633958, 807934, 5251571, 10503142, 14946779, 29893558, 194308127, 388616254]

約数ペア:

[(1, 388616254), (2, 194308127), (13, 29893558), (26, 14946779), (37, 10503142), (74, 5251571), (481, 807934), (613, 633958), (659, 589706), (962, 403967), (1226, 316979), (1318, 294853), (7969, 48766), (8567, 45362), (15938, 24383), (17134, 22681)]