198636625

素因数分解:

$5^3\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{571}}^1$

素因数の和:631

約数の個数: 48

約数和(自身を含む): 284828544

約数和(自身を除く): 86191919

約数列:

[1, 5, 11, 23, 25, 55, 115, 121, 125, 253, 275, 571, 575, 605, 1265, 1375, 2783, 2855, 2875, 3025, 6281, 6325, 13133, 13915, 14275, 15125, 31405, 31625, 65665, 69091, 69575, 71375, 144463, 157025, 328325, 345455, 347875, 722315, 785125, 1589093, 1641625, 1727275, 3611575, 7945465, 8636375, 18057875, 39727325, 198636625]

約数ペア:

[(1, 198636625), (5, 39727325), (11, 18057875), (23, 8636375), (25, 7945465), (55, 3611575), (115, 1727275), (121, 1641625), (125, 1589093), (253, 785125), (275, 722315), (571, 347875), (575, 345455), (605, 328325), (1265, 157025), (1375, 144463), (2783, 71375), (2855, 69575), (2875, 69091), (3025, 65665), (6281, 31625), (6325, 31405), (13133, 15125), (13915, 14275)]