91987805

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{4931}}^1$

素因数の和:4997

約数の個数: 32

約数和(自身を含む): 139200768

約数和(自身を除く): 47212963

約数列:

[1, 5, 7, 13, 35, 41, 65, 91, 205, 287, 455, 533, 1435, 2665, 3731, 4931, 18655, 24655, 34517, 64103, 172585, 202171, 320515, 448721, 1010855, 1415197, 2243605, 2628223, 7075985, 13141115, 18397561, 91987805]

約数ペア:

[(1, 91987805), (5, 18397561), (7, 13141115), (13, 7075985), (35, 2628223), (41, 2243605), (65, 1415197), (91, 1010855), (205, 448721), (287, 320515), (455, 202171), (533, 172585), (1435, 64103), (2665, 34517), (3731, 24655), (4931, 18655)]