161243710

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{3313}}^1$

素因数の和:3508

約数の個数: 32

約数和(自身を含む): 301600512

約数和(自身を除く): 140356802

約数列:

[1, 2, 5, 10, 31, 62, 155, 157, 310, 314, 785, 1570, 3313, 4867, 6626, 9734, 16565, 24335, 33130, 48670, 102703, 205406, 513515, 520141, 1027030, 1040282, 2600705, 5201410, 16124371, 32248742, 80621855, 161243710]

約数ペア:

[(1, 161243710), (2, 80621855), (5, 32248742), (10, 16124371), (31, 5201410), (62, 2600705), (155, 1040282), (157, 1027030), (310, 520141), (314, 513515), (785, 205406), (1570, 102703), (3313, 48670), (4867, 33130), (6626, 24335), (9734, 16565)]