210356215

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{859}}^1$

素因数の和:991

約数の個数: 32

約数和(自身を含む): 277896960

約数和(自身を除く): 67540745

約数列:

[1, 5, 17, 43, 67, 85, 215, 335, 731, 859, 1139, 2881, 3655, 4295, 5695, 14405, 14603, 36937, 48977, 57553, 73015, 184685, 244885, 287765, 627929, 978401, 2474779, 3139645, 4892005, 12373895, 42071243, 210356215]

約数ペア:

[(1, 210356215), (5, 42071243), (17, 12373895), (43, 4892005), (67, 3139645), (85, 2474779), (215, 978401), (335, 627929), (731, 287765), (859, 244885), (1139, 184685), (2881, 73015), (3655, 57553), (4295, 48977), (5695, 36937), (14405, 14603)]