206847865

素因数分解:

$5^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{4159}}^1$

素因数の和:4214

約数の個数: 32

約数和(自身を含む): 299520000

約数和(自身を除く): 92672135

約数列:

[1, 5, 7, 29, 35, 49, 145, 203, 245, 343, 1015, 1421, 1715, 4159, 7105, 9947, 20795, 29113, 49735, 120611, 145565, 203791, 603055, 844277, 1018955, 1426537, 4221385, 5909939, 7132685, 29549695, 41369573, 206847865]

約数ペア:

[(1, 206847865), (5, 41369573), (7, 29549695), (29, 7132685), (35, 5909939), (49, 4221385), (145, 1426537), (203, 1018955), (245, 844277), (343, 603055), (1015, 203791), (1421, 145565), (1715, 120611), (4159, 49735), (7105, 29113), (9947, 20795)]