697408

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{641}}^1$

素因数の和:670

約数の個数: 28

約数和(自身を含む): 1467612

約数和(自身を除く): 770204

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 136, 272, 544, 641, 1088, 1282, 2564, 5128, 10256, 10897, 20512, 21794, 41024, 43588, 87176, 174352, 348704, 697408]

約数ペア:

[(1, 697408), (2, 348704), (4, 174352), (8, 87176), (16, 43588), (17, 41024), (32, 21794), (34, 20512), (64, 10897), (68, 10256), (136, 5128), (272, 2564), (544, 1282), (641, 1088)]