1993408059658

素因数分解:

$2^1\times {\mathrm{127}}^1\times {\mathrm{257}}^1\times {\mathrm{1609}}^1\times {\mathrm{18979}}^1$

素因数の和:20974

約数の個数: 32

約数和(自身を含む): 3027422361600

約数和(自身を除く): 1034014301942

約数列:

[1, 2, 127, 254, 257, 514, 1609, 3218, 18979, 32639, 37958, 65278, 204343, 408686, 413513, 827026, 2410333, 4820666, 4877603, 9755206, 30537211, 52516151, 61074422, 105032302, 619455581, 1238911162, 3878225797, 7756451594, 7848063227, 15696126454, 996704029829, 1993408059658]

約数ペア:

[(1, 1993408059658), (2, 996704029829), (127, 15696126454), (254, 7848063227), (257, 7756451594), (514, 3878225797), (1609, 1238911162), (3218, 619455581), (18979, 105032302), (32639, 61074422), (37958, 52516151), (65278, 30537211), (204343, 9755206), (408686, 4877603), (413513, 4820666), (827026, 2410333)]