17490473

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{173}}^1$

素因数の和:305

約数の個数: 32

約数和(自身を含む): 23853312

約数和(自身を除く): 6362839

約数列:

[1, 7, 11, 13, 77, 91, 101, 143, 173, 707, 1001, 1111, 1211, 1313, 1903, 2249, 7777, 9191, 13321, 14443, 15743, 17473, 24739, 101101, 122311, 173173, 192203, 227149, 1345421, 1590043, 2498639, 17490473]

約数ペア:

[(1, 17490473), (7, 2498639), (11, 1590043), (13, 1345421), (77, 227149), (91, 192203), (101, 173173), (143, 122311), (173, 101101), (707, 24739), (1001, 17473), (1111, 15743), (1211, 14443), (1313, 13321), (1903, 9191), (2249, 7777)]