1640872884

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19534201}}^1$

素因数の和:19534215

約数の個数: 24

約数和(自身を含む): 4375661248

約数和(自身を除く): 2734788364

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 19534201, 39068402, 58602603, 78136804, 117205206, 136739407, 234410412, 273478814, 410218221, 546957628, 820436442, 1640872884]

約数ペア:

[(1, 1640872884), (2, 820436442), (3, 546957628), (4, 410218221), (6, 273478814), (7, 234410412), (12, 136739407), (14, 117205206), (21, 78136804), (28, 58602603), (42, 39068402), (84, 19534201)]