64866665

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:317

約数の個数: 32

約数和(自身を含む): 85017600

約数和(自身を除く): 20150935

約数列:

[1, 5, 19, 59, 71, 95, 163, 295, 355, 815, 1121, 1349, 3097, 4189, 5605, 6745, 9617, 11573, 15485, 20945, 48085, 57865, 79591, 182723, 219887, 397955, 682807, 913615, 1099435, 3414035, 12973333, 64866665]

約数ペア:

[(1, 64866665), (5, 12973333), (19, 3414035), (59, 1099435), (71, 913615), (95, 682807), (163, 397955), (295, 219887), (355, 182723), (815, 79591), (1121, 57865), (1349, 48085), (3097, 20945), (4189, 15485), (5605, 11573), (6745, 9617)]