620864

素因数分解:

$2^6\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:210

約数の個数: 28

約数和(自身を含む): 1257300

約数和(自身を除く): 636436

約数列:

[1, 2, 4, 8, 16, 32, 64, 89, 109, 178, 218, 356, 436, 712, 872, 1424, 1744, 2848, 3488, 5696, 6976, 9701, 19402, 38804, 77608, 155216, 310432, 620864]

約数ペア:

[(1, 620864), (2, 310432), (4, 155216), (8, 77608), (16, 38804), (32, 19402), (64, 9701), (89, 6976), (109, 5696), (178, 3488), (218, 2848), (356, 1744), (436, 1424), (712, 872)]