51764531

素因数分解:

$7^3\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:113

約数の個数: 48

約数和(自身を含む): 70272000

約数和(自身を除く): 18507469

約数列:

[1, 7, 13, 19, 47, 49, 91, 133, 169, 247, 329, 343, 611, 637, 893, 931, 1183, 1729, 2303, 3211, 4277, 4459, 6251, 6517, 7943, 8281, 11609, 12103, 16121, 22477, 29939, 43757, 55601, 57967, 81263, 84721, 150917, 157339, 209573, 306299, 389207, 568841, 1056419, 1101373, 2724449, 3981887, 7394933, 51764531]

約数ペア:

[(1, 51764531), (7, 7394933), (13, 3981887), (19, 2724449), (47, 1101373), (49, 1056419), (91, 568841), (133, 389207), (169, 306299), (247, 209573), (329, 157339), (343, 150917), (611, 84721), (637, 81263), (893, 57967), (931, 55601), (1183, 43757), (1729, 29939), (2303, 22477), (3211, 16121), (4277, 12103), (4459, 11609), (6251, 8281), (6517, 7943)]