81956862

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{4933}}^1$

素因数の和:5025

約数の個数: 48

約数和(自身を含む): 193965408

約数和(自身を除く): 112008546

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 71, 78, 117, 142, 213, 234, 426, 639, 923, 1278, 1846, 2769, 4933, 5538, 8307, 9866, 14799, 16614, 29598, 44397, 64129, 88794, 128258, 192387, 350243, 384774, 577161, 700486, 1050729, 1154322, 2101458, 3152187, 4553159, 6304374, 9106318, 13659477, 27318954, 40978431, 81956862]

約数ペア:

[(1, 81956862), (2, 40978431), (3, 27318954), (6, 13659477), (9, 9106318), (13, 6304374), (18, 4553159), (26, 3152187), (39, 2101458), (71, 1154322), (78, 1050729), (117, 700486), (142, 577161), (213, 384774), (234, 350243), (426, 192387), (639, 128258), (923, 88794), (1278, 64129), (1846, 44397), (2769, 29598), (4933, 16614), (5538, 14799), (8307, 9866)]