221328464

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{821}}^1$

素因数の和:948

約数の個数: 80

約数和(自身を含む): 513717120

約数和(自身を除く): 292388656

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 56, 58, 83, 112, 116, 166, 203, 232, 332, 406, 464, 581, 664, 812, 821, 1162, 1328, 1624, 1642, 2324, 2407, 3248, 3284, 4648, 4814, 5747, 6568, 9296, 9628, 11494, 13136, 16849, 19256, 22988, 23809, 33698, 38512, 45976, 47618, 67396, 68143, 91952, 95236, 134792, 136286, 166663, 190472, 269584, 272572, 333326, 380944, 477001, 545144, 666652, 954002, 1090288, 1333304, 1908004, 1976147, 2666608, 3816008, 3952294, 7632016, 7904588, 13833029, 15809176, 27666058, 31618352, 55332116, 110664232, 221328464]

約数ペア:

[(1, 221328464), (2, 110664232), (4, 55332116), (7, 31618352), (8, 27666058), (14, 15809176), (16, 13833029), (28, 7904588), (29, 7632016), (56, 3952294), (58, 3816008), (83, 2666608), (112, 1976147), (116, 1908004), (166, 1333304), (203, 1090288), (232, 954002), (332, 666652), (406, 545144), (464, 477001), (581, 380944), (664, 333326), (812, 272572), (821, 269584), (1162, 190472), (1328, 166663), (1624, 136286), (1642, 134792), (2324, 95236), (2407, 91952), (3248, 68143), (3284, 67396), (4648, 47618), (4814, 45976), (5747, 38512), (6568, 33698), (9296, 23809), (9628, 22988), (11494, 19256), (13136, 16849)]