71920145

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{673}}^1$

素因数の和:785

約数の個数: 32

約数和(自身を含む): 98997120

約数和(自身を除く): 27076975

約数列:

[1, 5, 11, 29, 55, 67, 145, 319, 335, 673, 737, 1595, 1943, 3365, 3685, 7403, 9715, 19517, 21373, 37015, 45091, 97585, 106865, 214687, 225455, 496001, 1073435, 1307639, 2480005, 6538195, 14384029, 71920145]

約数ペア:

[(1, 71920145), (5, 14384029), (11, 6538195), (29, 2480005), (55, 1307639), (67, 1073435), (145, 496001), (319, 225455), (335, 214687), (673, 106865), (737, 97585), (1595, 45091), (1943, 37015), (3365, 21373), (3685, 19517), (7403, 9715)]