809315770

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{20789}}^1$

素因数の和:21042

約数の個数: 32

約数和(自身を含む): 1549270800

約数和(自身を除く): 739955030

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 229, 458, 1145, 2290, 3893, 7786, 19465, 20789, 38930, 41578, 103945, 207890, 353413, 706826, 1767065, 3534130, 4760681, 9521362, 23803405, 47606810, 80931577, 161863154, 404657885, 809315770]

約数ペア:

[(1, 809315770), (2, 404657885), (5, 161863154), (10, 80931577), (17, 47606810), (34, 23803405), (85, 9521362), (170, 4760681), (229, 3534130), (458, 1767065), (1145, 706826), (2290, 353413), (3893, 207890), (7786, 103945), (19465, 41578), (20789, 38930)]