1387731565

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{15451}}^1$

素因数の和:15561

約数の個数: 32

約数和(自身を含む): 1922476032

約数和(自身を除く): 534744467

約数列:

[1, 5, 11, 23, 55, 71, 115, 253, 355, 781, 1265, 1633, 3905, 8165, 15451, 17963, 77255, 89815, 169961, 355373, 849805, 1097021, 1776865, 3909103, 5485105, 12067231, 19545515, 25231483, 60336155, 126157415, 277546313, 1387731565]

約数ペア:

[(1, 1387731565), (5, 277546313), (11, 126157415), (23, 60336155), (55, 25231483), (71, 19545515), (115, 12067231), (253, 5485105), (355, 3909103), (781, 1776865), (1265, 1097021), (1633, 849805), (3905, 355373), (8165, 169961), (15451, 89815), (17963, 77255)]