28063525

素因数分解:

$5^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{739}}^1$

素因数の和:794

約数の個数: 36

約数和(自身を含む): 41842560

約数和(自身を除く): 13779035

約数列:

[1, 5, 7, 25, 31, 35, 49, 155, 175, 217, 245, 739, 775, 1085, 1225, 1519, 3695, 5173, 5425, 7595, 18475, 22909, 25865, 36211, 37975, 114545, 129325, 160363, 181055, 572725, 801815, 905275, 1122541, 4009075, 5612705, 28063525]

約数ペア:

[(1, 28063525), (5, 5612705), (7, 4009075), (25, 1122541), (31, 905275), (35, 801815), (49, 572725), (155, 181055), (175, 160363), (217, 129325), (245, 114545), (739, 37975), (775, 36211), (1085, 25865), (1225, 22909), (1519, 18475), (3695, 7595), (5173, 5425)]