2478165613

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{641}}^1$

素因数の和:778

約数の個数: 64

約数和(自身を含む): 3372503040

約数和(自身を除く): 894337427

約数列:

[1, 7, 11, 23, 37, 59, 77, 161, 253, 259, 407, 413, 641, 649, 851, 1357, 1771, 2183, 2849, 4487, 4543, 5957, 7051, 9361, 9499, 14743, 14927, 15281, 23717, 24013, 37819, 49357, 50209, 65527, 103201, 104489, 162173, 166019, 168091, 260887, 264733, 351463, 416009, 545491, 552299, 869837, 1135211, 1399303, 1826209, 2912063, 3818437, 3866093, 6000401, 6088859, 9568207, 9795121, 15392333, 32183969, 42002807, 66977449, 107746331, 225287783, 354023659, 2478165613]

約数ペア:

[(1, 2478165613), (7, 354023659), (11, 225287783), (23, 107746331), (37, 66977449), (59, 42002807), (77, 32183969), (161, 15392333), (253, 9795121), (259, 9568207), (407, 6088859), (413, 6000401), (641, 3866093), (649, 3818437), (851, 2912063), (1357, 1826209), (1771, 1399303), (2183, 1135211), (2849, 869837), (4487, 552299), (4543, 545491), (5957, 416009), (7051, 351463), (9361, 264733), (9499, 260887), (14743, 168091), (14927, 166019), (15281, 162173), (23717, 104489), (24013, 103201), (37819, 65527), (49357, 50209)]