643006608

素因数分解:

$2^4\times 3^1\times {\mathrm{41}}^1\times {\mathrm{397}}^1\times {\mathrm{823}}^1$

素因数の和:1272

約数の個数: 80

約数和(自身を含む): 1707974016

約数和(自身を除く): 1064967408

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 41, 48, 82, 123, 164, 246, 328, 397, 492, 656, 794, 823, 984, 1191, 1588, 1646, 1968, 2382, 2469, 3176, 3292, 4764, 4938, 6352, 6584, 9528, 9876, 13168, 16277, 19056, 19752, 32554, 33743, 39504, 48831, 65108, 67486, 97662, 101229, 130216, 134972, 195324, 202458, 260432, 269944, 326731, 390648, 404916, 539888, 653462, 781296, 809832, 980193, 1306924, 1619664, 1960386, 2613848, 3920772, 5227696, 7841544, 13395971, 15683088, 26791942, 40187913, 53583884, 80375826, 107167768, 160751652, 214335536, 321503304, 643006608]

約数ペア:

[(1, 643006608), (2, 321503304), (3, 214335536), (4, 160751652), (6, 107167768), (8, 80375826), (12, 53583884), (16, 40187913), (24, 26791942), (41, 15683088), (48, 13395971), (82, 7841544), (123, 5227696), (164, 3920772), (246, 2613848), (328, 1960386), (397, 1619664), (492, 1306924), (656, 980193), (794, 809832), (823, 781296), (984, 653462), (1191, 539888), (1588, 404916), (1646, 390648), (1968, 326731), (2382, 269944), (2469, 260432), (3176, 202458), (3292, 195324), (4764, 134972), (4938, 130216), (6352, 101229), (6584, 97662), (9528, 67486), (9876, 65108), (13168, 48831), (16277, 39504), (19056, 33743), (19752, 32554)]