313619405

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{419}}^1\times {\mathrm{439}}^1$

素因数の和:905

約数の個数: 32

約数和(自身を含む): 425779200

約数和(自身を除く): 112159795

約数列:

[1, 5, 11, 31, 55, 155, 341, 419, 439, 1705, 2095, 2195, 4609, 4829, 12989, 13609, 23045, 24145, 64945, 68045, 142879, 149699, 183941, 714395, 748495, 919705, 2023351, 5702171, 10116755, 28510855, 62723881, 313619405]

約数ペア:

[(1, 313619405), (5, 62723881), (11, 28510855), (31, 10116755), (55, 5702171), (155, 2023351), (341, 919705), (419, 748495), (439, 714395), (1705, 183941), (2095, 149699), (2195, 142879), (4609, 68045), (4829, 64945), (12989, 24145), (13609, 23045)]