13278245

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1$

素因数の和:209

約数の個数: 32

約数和(自身を含む): 17971200

約数和(自身を除く): 4692955

約数列:

[1, 5, 19, 23, 59, 95, 103, 115, 295, 437, 515, 1121, 1357, 1957, 2185, 2369, 5605, 6077, 6785, 9785, 11845, 25783, 30385, 45011, 115463, 128915, 139771, 225055, 577315, 698855, 2655649, 13278245]

約数ペア:

[(1, 13278245), (5, 2655649), (19, 698855), (23, 577315), (59, 225055), (95, 139771), (103, 128915), (115, 115463), (295, 45011), (437, 30385), (515, 25783), (1121, 11845), (1357, 9785), (1957, 6785), (2185, 6077), (2369, 5605)]