25663518

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{467}}^1$

素因数の和:589

約数の個数: 48

約数和(自身を含む): 57822336

約数和(自身を除く): 32158818

約数列:

[1, 2, 3, 6, 9, 18, 43, 71, 86, 129, 142, 213, 258, 387, 426, 467, 639, 774, 934, 1278, 1401, 2802, 3053, 4203, 6106, 8406, 9159, 18318, 20081, 27477, 33157, 40162, 54954, 60243, 66314, 99471, 120486, 180729, 198942, 298413, 361458, 596826, 1425751, 2851502, 4277253, 8554506, 12831759, 25663518]

約数ペア:

[(1, 25663518), (2, 12831759), (3, 8554506), (6, 4277253), (9, 2851502), (18, 1425751), (43, 596826), (71, 361458), (86, 298413), (129, 198942), (142, 180729), (213, 120486), (258, 99471), (387, 66314), (426, 60243), (467, 54954), (639, 40162), (774, 33157), (934, 27477), (1278, 20081), (1401, 18318), (2802, 9159), (3053, 8406), (4203, 6106)]