4387955

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2$

素因数の和:84

約数の個数: 48

約数和(自身を含む): 6912864

約数和(自身を除く): 2524909

約数列:

[1, 5, 11, 13, 17, 19, 55, 65, 85, 95, 143, 187, 209, 221, 247, 323, 361, 715, 935, 1045, 1105, 1235, 1615, 1805, 2431, 2717, 3553, 3971, 4199, 4693, 6137, 12155, 13585, 17765, 19855, 20995, 23465, 30685, 46189, 51623, 67507, 79781, 230945, 258115, 337535, 398905, 877591, 4387955]

約数ペア:

[(1, 4387955), (5, 877591), (11, 398905), (13, 337535), (17, 258115), (19, 230945), (55, 79781), (65, 67507), (85, 51623), (95, 46189), (143, 30685), (187, 23465), (209, 20995), (221, 19855), (247, 17765), (323, 13585), (361, 12155), (715, 6137), (935, 4693), (1045, 4199), (1105, 3971), (1235, 3553), (1615, 2717), (1805, 2431)]