51508625

素因数分解:

$5^3\times 7^1\times {\mathrm{37}}^2\times {\mathrm{43}}^1$

素因数の和:139

約数の個数: 48

約数和(自身を含む): 77261184

約数和(自身を除く): 25752559

約数列:

[1, 5, 7, 25, 35, 37, 43, 125, 175, 185, 215, 259, 301, 875, 925, 1075, 1295, 1369, 1505, 1591, 4625, 5375, 6475, 6845, 7525, 7955, 9583, 11137, 32375, 34225, 37625, 39775, 47915, 55685, 58867, 171125, 198875, 239575, 278425, 294335, 412069, 1197875, 1392125, 1471675, 2060345, 7358375, 10301725, 51508625]

約数ペア:

[(1, 51508625), (5, 10301725), (7, 7358375), (25, 2060345), (35, 1471675), (37, 1392125), (43, 1197875), (125, 412069), (175, 294335), (185, 278425), (215, 239575), (259, 198875), (301, 171125), (875, 58867), (925, 55685), (1075, 47915), (1295, 39775), (1369, 37625), (1505, 34225), (1591, 32375), (4625, 11137), (5375, 9583), (6475, 7955), (6845, 7525)]