4909007805

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{20857}}^1$

素因数の和:20966

約数の個数: 64

約数和(自身を含む): 9082741248

約数和(自身を除く): 4173733443

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 71, 85, 195, 213, 221, 255, 355, 663, 923, 1065, 1105, 1207, 2769, 3315, 3621, 4615, 6035, 13845, 15691, 18105, 20857, 47073, 62571, 78455, 104285, 235365, 271141, 312855, 354569, 813423, 1063707, 1355705, 1480847, 1772845, 4067115, 4442541, 4609397, 5318535, 7404235, 13828191, 19251011, 22212705, 23046985, 25174399, 57753033, 69140955, 75523197, 96255055, 125871995, 288765165, 327267187, 377615985, 981801561, 1636335935, 4909007805]

約数ペア:

[(1, 4909007805), (3, 1636335935), (5, 981801561), (13, 377615985), (15, 327267187), (17, 288765165), (39, 125871995), (51, 96255055), (65, 75523197), (71, 69140955), (85, 57753033), (195, 25174399), (213, 23046985), (221, 22212705), (255, 19251011), (355, 13828191), (663, 7404235), (923, 5318535), (1065, 4609397), (1105, 4442541), (1207, 4067115), (2769, 1772845), (3315, 1480847), (3621, 1355705), (4615, 1063707), (6035, 813423), (13845, 354569), (15691, 312855), (18105, 271141), (20857, 235365), (47073, 104285), (62571, 78455)]