16915390

素因数分解:

$2^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{12347}}^1$

素因数の和:12491

約数の個数: 16

約数和(自身を含む): 30672432

約数和(自身を除く): 13757042

約数列:

[1, 2, 5, 10, 137, 274, 685, 1370, 12347, 24694, 61735, 123470, 1691539, 3383078, 8457695, 16915390]

約数ペア:

[(1, 16915390), (2, 8457695), (5, 3383078), (10, 1691539), (137, 123470), (274, 61735), (685, 24694), (1370, 12347)]