278642601215

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{367}}^1\times {\mathrm{54563}}^1$

素因数の和:54980

約数の個数: 48

約数和(自身を含む): 384563579904

約数和(自身を除く): 105920978689

約数列:

[1, 5, 11, 23, 55, 115, 121, 253, 367, 605, 1265, 1835, 2783, 4037, 8441, 13915, 20185, 42205, 44407, 54563, 92851, 222035, 272815, 464255, 600193, 1021361, 1254949, 3000965, 5106805, 6274745, 6602123, 13804439, 20024621, 33010615, 69022195, 100123105, 151848829, 220270831, 460566283, 759244145, 1101354155, 2302831415, 2422979141, 5066229113, 12114895705, 25331145565, 55728520243, 278642601215]

約数ペア:

[(1, 278642601215), (5, 55728520243), (11, 25331145565), (23, 12114895705), (55, 5066229113), (115, 2422979141), (121, 2302831415), (253, 1101354155), (367, 759244145), (605, 460566283), (1265, 220270831), (1835, 151848829), (2783, 100123105), (4037, 69022195), (8441, 33010615), (13915, 20024621), (20185, 13804439), (42205, 6602123), (44407, 6274745), (54563, 5106805), (92851, 3000965), (222035, 1254949), (272815, 1021361), (464255, 600193)]