157971275

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{599}}^1$

素因数の和:764

約数の個数: 48

約数和(自身を含む): 246412800

約数和(自身を除く): 88441525

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 137, 175, 275, 385, 599, 685, 959, 1507, 1925, 2995, 3425, 4193, 4795, 6589, 7535, 10549, 14975, 20965, 23975, 32945, 37675, 46123, 52745, 82063, 104825, 164725, 230615, 263725, 410315, 574441, 902693, 1153075, 2051575, 2872205, 4513465, 6318851, 14361025, 22567325, 31594255, 157971275]

約数ペア:

[(1, 157971275), (5, 31594255), (7, 22567325), (11, 14361025), (25, 6318851), (35, 4513465), (55, 2872205), (77, 2051575), (137, 1153075), (175, 902693), (275, 574441), (385, 410315), (599, 263725), (685, 230615), (959, 164725), (1507, 104825), (1925, 82063), (2995, 52745), (3425, 46123), (4193, 37675), (4795, 32945), (6589, 23975), (7535, 20965), (10549, 14975)]