140159747

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^2$

素因数の和:137

約数の個数: 48

約数和(自身を含む): 190814400

約数和(自身を除く): 50654653

約数列:

[1, 7, 13, 17, 43, 49, 91, 119, 221, 301, 343, 559, 637, 731, 833, 1547, 1849, 2107, 3913, 4459, 5117, 5831, 9503, 10829, 12943, 14749, 24037, 27391, 31433, 35819, 66521, 75803, 90601, 168259, 191737, 220031, 250733, 408629, 465647, 634207, 1177813, 1540217, 2860403, 3259529, 8244691, 10781519, 20022821, 140159747]

約数ペア:

[(1, 140159747), (7, 20022821), (13, 10781519), (17, 8244691), (43, 3259529), (49, 2860403), (91, 1540217), (119, 1177813), (221, 634207), (301, 465647), (343, 408629), (559, 250733), (637, 220031), (731, 191737), (833, 168259), (1547, 90601), (1849, 75803), (2107, 66521), (3913, 35819), (4459, 31433), (5117, 27391), (5831, 24037), (9503, 14749), (10829, 12943)]