78447265

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:218

約数の個数: 48

約数和(自身を含む): 111310848

約数和(自身を除く): 32863583

約数列:

[1, 5, 13, 17, 43, 65, 85, 127, 169, 215, 221, 559, 635, 731, 845, 1105, 1651, 2159, 2795, 2873, 3655, 5461, 7267, 8255, 9503, 10795, 14365, 21463, 27305, 28067, 36335, 47515, 70993, 92837, 107315, 123539, 140335, 354965, 364871, 464185, 617695, 922909, 1206881, 1824355, 4614545, 6034405, 15689453, 78447265]

約数ペア:

[(1, 78447265), (5, 15689453), (13, 6034405), (17, 4614545), (43, 1824355), (65, 1206881), (85, 922909), (127, 617695), (169, 464185), (215, 364871), (221, 354965), (559, 140335), (635, 123539), (731, 107315), (845, 92837), (1105, 70993), (1651, 47515), (2159, 36335), (2795, 28067), (2873, 27305), (3655, 21463), (5461, 14365), (7267, 10795), (8255, 9503)]