161590465

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{181}}^1$

素因数の和:393

約数の個数: 32

約数和(自身を含む): 207567360

約数和(自身を除く): 45976895

約数列:

[1, 5, 29, 47, 131, 145, 181, 235, 655, 905, 1363, 3799, 5249, 6157, 6815, 8507, 18995, 23711, 26245, 30785, 42535, 118555, 178553, 246703, 687619, 892765, 1114417, 1233515, 3438095, 5572085, 32318093, 161590465]

約数ペア:

[(1, 161590465), (5, 32318093), (29, 5572085), (47, 3438095), (131, 1233515), (145, 1114417), (181, 892765), (235, 687619), (655, 246703), (905, 178553), (1363, 118555), (3799, 42535), (5249, 30785), (6157, 26245), (6815, 23711), (8507, 18995)]