164164325

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{691}}^1$

素因数の和:774

約数の個数: 48

約数和(自身を含む): 237859776

約数和(自身を除く): 73695451

約数列:

[1, 5, 13, 17, 25, 43, 65, 85, 215, 221, 325, 425, 559, 691, 731, 1075, 1105, 2795, 3455, 3655, 5525, 8983, 9503, 11747, 13975, 17275, 18275, 29713, 44915, 47515, 58735, 148565, 152711, 224575, 237575, 293675, 386269, 505121, 742825, 763555, 1931345, 2525605, 3817775, 6566573, 9656725, 12628025, 32832865, 164164325]

約数ペア:

[(1, 164164325), (5, 32832865), (13, 12628025), (17, 9656725), (25, 6566573), (43, 3817775), (65, 2525605), (85, 1931345), (215, 763555), (221, 742825), (325, 505121), (425, 386269), (559, 293675), (691, 237575), (731, 224575), (1075, 152711), (1105, 148565), (2795, 58735), (3455, 47515), (3655, 44915), (5525, 29713), (8983, 18275), (9503, 17275), (11747, 13975)]