280211323

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{2767}}^1$

素因数の和:2851

約数の個数: 32

約数和(自身を含む): 363515904

約数和(自身を除く): 83304581

約数列:

[1, 7, 17, 23, 37, 119, 161, 259, 391, 629, 851, 2737, 2767, 4403, 5957, 14467, 19369, 47039, 63641, 101269, 102379, 329273, 445487, 716653, 1081897, 1740443, 2354717, 7573279, 12183101, 16483019, 40030189, 280211323]

約数ペア:

[(1, 280211323), (7, 40030189), (17, 16483019), (23, 12183101), (37, 7573279), (119, 2354717), (161, 1740443), (259, 1081897), (391, 716653), (629, 445487), (851, 329273), (2737, 102379), (2767, 101269), (4403, 63641), (5957, 47039), (14467, 19369)]