1297365575

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:528

約数の個数: 48

約数和(自身を含む): 1786790400

約数和(自身を除く): 489424825

約数列:

[1, 5, 11, 25, 55, 151, 157, 199, 275, 755, 785, 995, 1661, 1727, 2189, 3775, 3925, 4975, 8305, 8635, 10945, 23707, 30049, 31243, 41525, 43175, 54725, 118535, 150245, 156215, 260777, 330539, 343673, 592675, 751225, 781075, 1303885, 1652695, 1718365, 4717693, 6519425, 8263475, 8591825, 23588465, 51894623, 117942325, 259473115, 1297365575]

約数ペア:

[(1, 1297365575), (5, 259473115), (11, 117942325), (25, 51894623), (55, 23588465), (151, 8591825), (157, 8263475), (199, 6519425), (275, 4717693), (755, 1718365), (785, 1652695), (995, 1303885), (1661, 781075), (1727, 751225), (2189, 592675), (3775, 343673), (3925, 330539), (4975, 260777), (8305, 156215), (8635, 150245), (10945, 118535), (23707, 54725), (30049, 43175), (31243, 41525)]