261777985

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{7457}}^1$

素因数の和:7545

約数の個数: 32

約数和(自身を含む): 386622720

約数和(自身を除く): 124844735

約数列:

[1, 5, 7, 17, 35, 59, 85, 119, 295, 413, 595, 1003, 2065, 5015, 7021, 7457, 35105, 37285, 52199, 126769, 260995, 439963, 633845, 887383, 2199815, 3079741, 4436915, 7479371, 15398705, 37396855, 52355597, 261777985]

約数ペア:

[(1, 261777985), (5, 52355597), (7, 37396855), (17, 15398705), (35, 7479371), (59, 4436915), (85, 3079741), (119, 2199815), (295, 887383), (413, 633845), (595, 439963), (1003, 260995), (2065, 126769), (5015, 52199), (7021, 37285), (7457, 35105)]