53401915

素因数分解:

$5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:236

約数の個数: 48

約数和(自身を含む): 78911712

約数和(自身を除く): 25509797

約数列:

[1, 5, 7, 35, 37, 43, 49, 137, 185, 215, 245, 259, 301, 685, 959, 1295, 1505, 1591, 1813, 2107, 4795, 5069, 5891, 6713, 7955, 9065, 10535, 11137, 25345, 29455, 33565, 35483, 41237, 55685, 77959, 177415, 206185, 217967, 248381, 288659, 389795, 1089835, 1241905, 1443295, 1525769, 7628845, 10680383, 53401915]

約数ペア:

[(1, 53401915), (5, 10680383), (7, 7628845), (35, 1525769), (37, 1443295), (43, 1241905), (49, 1089835), (137, 389795), (185, 288659), (215, 248381), (245, 217967), (259, 206185), (301, 177415), (685, 77959), (959, 55685), (1295, 41237), (1505, 35483), (1591, 33565), (1813, 29455), (2107, 25345), (4795, 11137), (5069, 10535), (5891, 9065), (6713, 7955)]