388351315

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{619}}^1$

素因数の和:724

約数の個数: 48

約数和(自身を含む): 552152160

約数和(自身を除く): 163800845

約数列:

[1, 5, 11, 17, 55, 61, 85, 121, 187, 305, 605, 619, 671, 935, 1037, 2057, 3095, 3355, 5185, 6809, 7381, 10285, 10523, 11407, 34045, 36905, 37759, 52615, 57035, 74899, 115753, 125477, 188795, 374495, 415349, 578765, 627385, 641903, 1273283, 2076745, 3209515, 4568839, 6366415, 7060933, 22844195, 35304665, 77670263, 388351315]

約数ペア:

[(1, 388351315), (5, 77670263), (11, 35304665), (17, 22844195), (55, 7060933), (61, 6366415), (85, 4568839), (121, 3209515), (187, 2076745), (305, 1273283), (605, 641903), (619, 627385), (671, 578765), (935, 415349), (1037, 374495), (2057, 188795), (3095, 125477), (3355, 115753), (5185, 74899), (6809, 57035), (7381, 52615), (10285, 37759), (10523, 36905), (11407, 34045)]