64721916

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{28537}}^1$

素因数の和:28560

約数の個数: 60

約数和(自身を含む): 193373488

約数和(自身を除く): 128651572

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 252, 324, 378, 567, 756, 1134, 2268, 28537, 57074, 85611, 114148, 171222, 199759, 256833, 342444, 399518, 513666, 599277, 770499, 799036, 1027332, 1198554, 1540998, 1797831, 2311497, 2397108, 3081996, 3595662, 4622994, 5393493, 7191324, 9245988, 10786986, 16180479, 21573972, 32360958, 64721916]

約数ペア:

[(1, 64721916), (2, 32360958), (3, 21573972), (4, 16180479), (6, 10786986), (7, 9245988), (9, 7191324), (12, 5393493), (14, 4622994), (18, 3595662), (21, 3081996), (27, 2397108), (28, 2311497), (36, 1797831), (42, 1540998), (54, 1198554), (63, 1027332), (81, 799036), (84, 770499), (108, 599277), (126, 513666), (162, 399518), (189, 342444), (252, 256833), (324, 199759), (378, 171222), (567, 114148), (756, 85611), (1134, 57074), (2268, 28537)]