1640764587

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2069}}^1\times {\mathrm{3433}}^1$

素因数の和:5523

約数の個数: 32

約数和(自身を含む): 2729617920

約数和(自身を除く): 1088853333

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 2069, 3433, 6207, 10299, 14483, 22759, 24031, 37763, 43449, 68277, 72093, 113289, 159313, 264341, 477939, 793023, 7102877, 21308631, 49720139, 78131647, 149160417, 234394941, 546921529, 1640764587]

約数ペア:

[(1, 1640764587), (3, 546921529), (7, 234394941), (11, 149160417), (21, 78131647), (33, 49720139), (77, 21308631), (231, 7102877), (2069, 793023), (3433, 477939), (6207, 264341), (10299, 159313), (14483, 113289), (22759, 72093), (24031, 68277), (37763, 43449)]