1989908349

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{631}}^1\times {\mathrm{7351}}^1$

素因数の和:8009

約数の個数: 32

約数和(自身を含む): 3122423808

約数和(自身を除く): 1132515459

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 631, 1893, 6941, 7351, 8203, 20823, 22053, 24609, 80861, 90233, 95563, 242583, 270699, 286689, 1051193, 3153579, 4638481, 13915443, 51023291, 60300253, 153069873, 180900759, 663302783, 1989908349]

約数ペア:

[(1, 1989908349), (3, 663302783), (11, 180900759), (13, 153069873), (33, 60300253), (39, 51023291), (143, 13915443), (429, 4638481), (631, 3153579), (1893, 1051193), (6941, 286689), (7351, 270699), (8203, 242583), (20823, 95563), (22053, 90233), (24609, 80861)]