649842739

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{1033}}^1$

素因数の和:1307

約数の個数: 32

約数和(自身を含む): 830111744

約数和(自身を除く): 180269005

約数列:

[1, 7, 13, 31, 91, 217, 223, 403, 1033, 1561, 2821, 2899, 6913, 7231, 13429, 20293, 32023, 48391, 89869, 94003, 224161, 230359, 416299, 629083, 1612513, 2914093, 2994667, 7141129, 20962669, 49987903, 92834677, 649842739]

約数ペア:

[(1, 649842739), (7, 92834677), (13, 49987903), (31, 20962669), (91, 7141129), (217, 2994667), (223, 2914093), (403, 1612513), (1033, 629083), (1561, 416299), (2821, 230359), (2899, 224161), (6913, 94003), (7231, 89869), (13429, 48391), (20293, 32023)]