209488895

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^2\times {\mathrm{647}}^1$

素因数の和:728

約数の個数: 48

約数和(自身を含む): 325099008

約数和(自身を除く): 115610113

約数列:

[1, 5, 7, 11, 29, 35, 55, 77, 145, 203, 319, 385, 647, 841, 1015, 1595, 2233, 3235, 4205, 4529, 5887, 7117, 9251, 11165, 18763, 22645, 29435, 35585, 46255, 49819, 64757, 93815, 131341, 206393, 249095, 323785, 544127, 656705, 1031965, 1444751, 2720635, 3808889, 5985397, 7223755, 19044445, 29926985, 41897779, 209488895]

約数ペア:

[(1, 209488895), (5, 41897779), (7, 29926985), (11, 19044445), (29, 7223755), (35, 5985397), (55, 3808889), (77, 2720635), (145, 1444751), (203, 1031965), (319, 656705), (385, 544127), (647, 323785), (841, 249095), (1015, 206393), (1595, 131341), (2233, 93815), (3235, 64757), (4205, 49819), (4529, 46255), (5887, 35585), (7117, 29435), (9251, 22645), (11165, 18763)]