897704975

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1117}}^1$

素因数の和:1236

約数の個数: 48

約数和(自身を含む): 1237706496

約数和(自身を除く): 340001521

約数列:

[1, 5, 17, 25, 31, 61, 85, 155, 305, 425, 527, 775, 1037, 1117, 1525, 1891, 2635, 5185, 5585, 9455, 13175, 18989, 25925, 27925, 32147, 34627, 47275, 68137, 94945, 160735, 173135, 340685, 474725, 588659, 803675, 865675, 1158329, 1703425, 2112247, 2943295, 5791645, 10561235, 14716475, 28958225, 35908199, 52806175, 179540995, 897704975]

約数ペア:

[(1, 897704975), (5, 179540995), (17, 52806175), (25, 35908199), (31, 28958225), (61, 14716475), (85, 10561235), (155, 5791645), (305, 2943295), (425, 2112247), (527, 1703425), (775, 1158329), (1037, 865675), (1117, 803675), (1525, 588659), (1891, 474725), (2635, 340685), (5185, 173135), (5585, 160735), (9455, 94945), (13175, 68137), (18989, 47275), (25925, 34627), (27925, 32147)]