15387788

素因数分解:

$2^2\times {\mathrm{13}}^3\times {\mathrm{17}}^1\times {\mathrm{103}}^1$

素因数の和:163

約数の個数: 48

約数和(自身を含む): 31187520

約数和(自身を除く): 15799732

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 103, 169, 206, 221, 338, 412, 442, 676, 884, 1339, 1751, 2197, 2678, 2873, 3502, 4394, 5356, 5746, 7004, 8788, 11492, 17407, 22763, 34814, 37349, 45526, 69628, 74698, 91052, 149396, 226291, 295919, 452582, 591838, 905164, 1183676, 3846947, 7693894, 15387788]

約数ペア:

[(1, 15387788), (2, 7693894), (4, 3846947), (13, 1183676), (17, 905164), (26, 591838), (34, 452582), (52, 295919), (68, 226291), (103, 149396), (169, 91052), (206, 74698), (221, 69628), (338, 45526), (412, 37349), (442, 34814), (676, 22763), (884, 17407), (1339, 11492), (1751, 8788), (2197, 7004), (2678, 5746), (2873, 5356), (3502, 4394)]