851525584

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{30781}}^1$

素因数の和:30828

約数の個数: 80

約数和(自身を含む): 2137502080

約数和(自身を除く): 1285976496

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 38, 52, 56, 76, 91, 104, 112, 133, 152, 182, 208, 247, 266, 304, 364, 494, 532, 728, 988, 1064, 1456, 1729, 1976, 2128, 3458, 3952, 6916, 13832, 27664, 30781, 61562, 123124, 215467, 246248, 400153, 430934, 492496, 584839, 800306, 861868, 1169678, 1600612, 1723736, 2339356, 2801071, 3201224, 3447472, 4093873, 4678712, 5602142, 6402448, 7602907, 8187746, 9357424, 11204284, 15205814, 16375492, 22408568, 30411628, 32750984, 44817136, 53220349, 60823256, 65501968, 106440698, 121646512, 212881396, 425762792, 851525584]

約数ペア:

[(1, 851525584), (2, 425762792), (4, 212881396), (7, 121646512), (8, 106440698), (13, 65501968), (14, 60823256), (16, 53220349), (19, 44817136), (26, 32750984), (28, 30411628), (38, 22408568), (52, 16375492), (56, 15205814), (76, 11204284), (91, 9357424), (104, 8187746), (112, 7602907), (133, 6402448), (152, 5602142), (182, 4678712), (208, 4093873), (247, 3447472), (266, 3201224), (304, 2801071), (364, 2339356), (494, 1723736), (532, 1600612), (728, 1169678), (988, 861868), (1064, 800306), (1456, 584839), (1729, 492496), (1976, 430934), (2128, 400153), (3458, 246248), (3952, 215467), (6916, 123124), (13832, 61562), (27664, 30781)]