2681602021

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1\times {\mathrm{421}}^1$

素因数の和:805

約数の個数: 32

約数和(自身を含む): 3208550400

約数和(自身を除く): 526948379

約数列:

[1, 7, 31, 149, 197, 217, 421, 1043, 1379, 2947, 4619, 6107, 13051, 29353, 32333, 42749, 62729, 82937, 91357, 205471, 439103, 580559, 909943, 1944599, 2571047, 6369601, 12357613, 13612193, 17997329, 86503291, 383086003, 2681602021]

約数ペア:

[(1, 2681602021), (7, 383086003), (31, 86503291), (149, 17997329), (197, 13612193), (217, 12357613), (421, 6369601), (1043, 2571047), (1379, 1944599), (2947, 909943), (4619, 580559), (6107, 439103), (13051, 205471), (29353, 91357), (32333, 82937), (42749, 62729)]