28200865

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{6659}}^1$

素因数の和:6693

約数の個数: 24

約数和(自身を含む): 42517440

約数和(自身を除く): 14316575

約数列:

[1, 5, 7, 11, 35, 55, 77, 121, 385, 605, 847, 4235, 6659, 33295, 46613, 73249, 233065, 366245, 512743, 805739, 2563715, 4028695, 5640173, 28200865]

約数ペア:

[(1, 28200865), (5, 5640173), (7, 4028695), (11, 2563715), (35, 805739), (55, 512743), (77, 366245), (121, 233065), (385, 73249), (605, 46613), (847, 33295), (4235, 6659)]