253313137

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1$

素因数の和:262

約数の個数: 48

約数和(自身を含む): 334776960

約数和(自身を除く): 81463823

約数列:

[1, 7, 11, 37, 59, 77, 121, 137, 259, 407, 413, 649, 847, 959, 1507, 2183, 2849, 4477, 4543, 5069, 7139, 8083, 10549, 15281, 16577, 24013, 31339, 35483, 49973, 55759, 56581, 88913, 116039, 168091, 264143, 299071, 390313, 613349, 622391, 978043, 1849001, 2093497, 3289781, 4293443, 6846301, 23028467, 36187591, 253313137]

約数ペア:

[(1, 253313137), (7, 36187591), (11, 23028467), (37, 6846301), (59, 4293443), (77, 3289781), (121, 2093497), (137, 1849001), (259, 978043), (407, 622391), (413, 613349), (649, 390313), (847, 299071), (959, 264143), (1507, 168091), (2183, 116039), (2849, 88913), (4477, 56581), (4543, 55759), (5069, 49973), (7139, 35483), (8083, 31339), (10549, 24013), (15281, 16577)]