16901665

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1$

素因数の和:501

約数の個数: 32

約数和(自身を含む): 23887872

約数和(自身を除く): 6986207

約数列:

[1, 5, 11, 23, 31, 55, 115, 155, 253, 341, 431, 713, 1265, 1705, 2155, 3565, 4741, 7843, 9913, 13361, 23705, 39215, 49565, 66805, 109043, 146971, 307303, 545215, 734855, 1536515, 3380333, 16901665]

約数ペア:

[(1, 16901665), (5, 3380333), (11, 1536515), (23, 734855), (31, 545215), (55, 307303), (115, 146971), (155, 109043), (253, 66805), (341, 49565), (431, 39215), (713, 23705), (1265, 13361), (1705, 9913), (2155, 7843), (3565, 4741)]