28409975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1$

素因数の和:200

約数の個数: 48

約数和(自身を含む): 41783040

約数和(自身を除く): 13373065

約数列:

[1, 5, 11, 17, 25, 55, 59, 85, 103, 187, 275, 295, 425, 515, 649, 935, 1003, 1133, 1475, 1751, 2575, 3245, 4675, 5015, 5665, 6077, 8755, 11033, 16225, 19261, 25075, 28325, 30385, 43775, 55165, 66847, 96305, 103309, 151925, 275825, 334235, 481525, 516545, 1136399, 1671175, 2582725, 5681995, 28409975]

約数ペア:

[(1, 28409975), (5, 5681995), (11, 2582725), (17, 1671175), (25, 1136399), (55, 516545), (59, 481525), (85, 334235), (103, 275825), (187, 151925), (275, 103309), (295, 96305), (425, 66847), (515, 55165), (649, 43775), (935, 30385), (1003, 28325), (1133, 25075), (1475, 19261), (1751, 16225), (2575, 11033), (3245, 8755), (4675, 6077), (5015, 5665)]