221680405

素因数分解:

$5^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:349

約数の個数: 32

約数和(自身を含む): 279982080

約数和(自身を除く): 58301675

約数列:

[1, 5, 59, 61, 97, 127, 295, 305, 485, 635, 3599, 5723, 5917, 7493, 7747, 12319, 17995, 28615, 29585, 37465, 38735, 61595, 349103, 457073, 726821, 751459, 1745515, 2285365, 3634105, 3757295, 44336081, 221680405]

約数ペア:

[(1, 221680405), (5, 44336081), (59, 3757295), (61, 3634105), (97, 2285365), (127, 1745515), (295, 751459), (305, 726821), (485, 457073), (635, 349103), (3599, 61595), (5723, 38735), (5917, 37465), (7493, 29585), (7747, 28615), (12319, 17995)]