1640464028

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{181387}}^1$

素因数の和:181434

約数の個数: 48

約数和(自身を含む): 3656782080

約数和(自身を除く): 2016318052

約数列:

[1, 2, 4, 7, 14, 17, 19, 28, 34, 38, 68, 76, 119, 133, 238, 266, 323, 476, 532, 646, 1292, 2261, 4522, 9044, 181387, 362774, 725548, 1269709, 2539418, 3083579, 3446353, 5078836, 6167158, 6892706, 12334316, 13785412, 21585053, 24124471, 43170106, 48248942, 58588001, 86340212, 96497884, 117176002, 234352004, 410116007, 820232014, 1640464028]

約数ペア:

[(1, 1640464028), (2, 820232014), (4, 410116007), (7, 234352004), (14, 117176002), (17, 96497884), (19, 86340212), (28, 58588001), (34, 48248942), (38, 43170106), (68, 24124471), (76, 21585053), (119, 13785412), (133, 12334316), (238, 6892706), (266, 6167158), (323, 5078836), (476, 3446353), (532, 3083579), (646, 2539418), (1292, 1269709), (2261, 725548), (4522, 362774), (9044, 181387)]