28492575

素因数分解:

$3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 49282560

約数和(自身を除く): 20789985

約数列:

[1, 3, 5, 15, 25, 47, 59, 75, 137, 141, 177, 235, 295, 411, 685, 705, 885, 1175, 1475, 2055, 2773, 3425, 3525, 4425, 6439, 8083, 8319, 10275, 13865, 19317, 24249, 32195, 40415, 41595, 69325, 96585, 121245, 160975, 202075, 207975, 379901, 482925, 606225, 1139703, 1899505, 5698515, 9497525, 28492575]

約数ペア:

[(1, 28492575), (3, 9497525), (5, 5698515), (15, 1899505), (25, 1139703), (47, 606225), (59, 482925), (75, 379901), (137, 207975), (141, 202075), (177, 160975), (235, 121245), (295, 96585), (411, 69325), (685, 41595), (705, 40415), (885, 32195), (1175, 24249), (1475, 19317), (2055, 13865), (2773, 10275), (3425, 8319), (3525, 8083), (4425, 6439)]