78609916

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{101}}^1$

素因数の和:168

約数の個数: 108

約数和(自身を含む): 186071256

約数和(自身を除く): 107461340

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 49, 76, 77, 98, 101, 133, 154, 196, 202, 209, 266, 308, 361, 404, 418, 532, 539, 707, 722, 836, 931, 1078, 1111, 1414, 1444, 1463, 1862, 1919, 2156, 2222, 2527, 2828, 2926, 3724, 3838, 3971, 4444, 4949, 5054, 5852, 7676, 7777, 7942, 9898, 10108, 10241, 13433, 15554, 15884, 17689, 19796, 20482, 21109, 26866, 27797, 31108, 35378, 36461, 40964, 42218, 53732, 54439, 55594, 70756, 72922, 84436, 94031, 108878, 111188, 145844, 147763, 188062, 194579, 217756, 255227, 295526, 376124, 389158, 401071, 510454, 591052, 778316, 802142, 1020908, 1034341, 1604284, 1786589, 2068682, 2807497, 3573178, 4137364, 5614994, 7146356, 11229988, 19652479, 39304958, 78609916]

約数ペア:

[(1, 78609916), (2, 39304958), (4, 19652479), (7, 11229988), (11, 7146356), (14, 5614994), (19, 4137364), (22, 3573178), (28, 2807497), (38, 2068682), (44, 1786589), (49, 1604284), (76, 1034341), (77, 1020908), (98, 802142), (101, 778316), (133, 591052), (154, 510454), (196, 401071), (202, 389158), (209, 376124), (266, 295526), (308, 255227), (361, 217756), (404, 194579), (418, 188062), (532, 147763), (539, 145844), (707, 111188), (722, 108878), (836, 94031), (931, 84436), (1078, 72922), (1111, 70756), (1414, 55594), (1444, 54439), (1463, 53732), (1862, 42218), (1919, 40964), (2156, 36461), (2222, 35378), (2527, 31108), (2828, 27797), (2926, 26866), (3724, 21109), (3838, 20482), (3971, 19796), (4444, 17689), (4949, 15884), (5054, 15554), (5852, 13433), (7676, 10241), (7777, 10108), (7942, 9898)]