319415525

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1901}}^1$

素因数の和:1982

約数の個数: 48

約数和(自身を含む): 475469568

約数和(自身を除く): 156054043

約数列:

[1, 5, 11, 13, 25, 47, 55, 65, 143, 235, 275, 325, 517, 611, 715, 1175, 1901, 2585, 3055, 3575, 6721, 9505, 12925, 15275, 20911, 24713, 33605, 47525, 89347, 104555, 123565, 168025, 271843, 446735, 522775, 617825, 982817, 1161511, 1359215, 2233675, 4914085, 5807555, 6796075, 12776621, 24570425, 29037775, 63883105, 319415525]

約数ペア:

[(1, 319415525), (5, 63883105), (11, 29037775), (13, 24570425), (25, 12776621), (47, 6796075), (55, 5807555), (65, 4914085), (143, 2233675), (235, 1359215), (275, 1161511), (325, 982817), (517, 617825), (611, 522775), (715, 446735), (1175, 271843), (1901, 168025), (2585, 123565), (3055, 104555), (3575, 89347), (6721, 47525), (9505, 33605), (12925, 24713), (15275, 20911)]