1296752875

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{359}}^1$

素因数の和:493

約数の個数: 64

約数和(自身を含む): 1843845120

約数和(自身を除く): 547092245

約数列:

[1, 5, 11, 25, 37, 55, 71, 125, 185, 275, 355, 359, 407, 781, 925, 1375, 1775, 1795, 2035, 2627, 3905, 3949, 4625, 8875, 8975, 10175, 13135, 13283, 19525, 19745, 25489, 28897, 44875, 50875, 65675, 66415, 97625, 98725, 127445, 144485, 146113, 280379, 328375, 332075, 493625, 637225, 722425, 730565, 943093, 1401895, 1660375, 3186125, 3612125, 3652825, 4715465, 7009475, 10374023, 18264125, 23577325, 35047375, 51870115, 117886625, 259350575, 1296752875]

約数ペア:

[(1, 1296752875), (5, 259350575), (11, 117886625), (25, 51870115), (37, 35047375), (55, 23577325), (71, 18264125), (125, 10374023), (185, 7009475), (275, 4715465), (355, 3652825), (359, 3612125), (407, 3186125), (781, 1660375), (925, 1401895), (1375, 943093), (1775, 730565), (1795, 722425), (2035, 637225), (2627, 493625), (3905, 332075), (3949, 328375), (4625, 280379), (8875, 146113), (8975, 144485), (10175, 127445), (13135, 98725), (13283, 97625), (19525, 66415), (19745, 65675), (25489, 50875), (28897, 44875)]