12873965

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:209

約数の個数: 32

約数和(自身を含む): 17581536

約数和(自身を除く): 4707571

約数列:

[1, 5, 13, 37, 53, 65, 101, 185, 265, 481, 505, 689, 1313, 1961, 2405, 3445, 3737, 5353, 6565, 9805, 18685, 25493, 26765, 48581, 69589, 127465, 198061, 242905, 347945, 990305, 2574793, 12873965]

約数ペア:

[(1, 12873965), (5, 2574793), (13, 990305), (37, 347945), (53, 242905), (65, 198061), (101, 127465), (185, 69589), (265, 48581), (481, 26765), (505, 25493), (689, 18685), (1313, 9805), (1961, 6565), (2405, 5353), (3445, 3737)]