857584

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:78

約数の個数: 80

約数和(自身を含む): 2222080

約数和(自身を除く): 1364496

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 31, 38, 52, 56, 62, 76, 91, 104, 112, 124, 133, 152, 182, 208, 217, 247, 248, 266, 304, 364, 403, 434, 494, 496, 532, 589, 728, 806, 868, 988, 1064, 1178, 1456, 1612, 1729, 1736, 1976, 2128, 2356, 2821, 3224, 3458, 3472, 3952, 4123, 4712, 5642, 6448, 6916, 7657, 8246, 9424, 11284, 13832, 15314, 16492, 22568, 27664, 30628, 32984, 45136, 53599, 61256, 65968, 107198, 122512, 214396, 428792, 857584]

約数ペア:

[(1, 857584), (2, 428792), (4, 214396), (7, 122512), (8, 107198), (13, 65968), (14, 61256), (16, 53599), (19, 45136), (26, 32984), (28, 30628), (31, 27664), (38, 22568), (52, 16492), (56, 15314), (62, 13832), (76, 11284), (91, 9424), (104, 8246), (112, 7657), (124, 6916), (133, 6448), (152, 5642), (182, 4712), (208, 4123), (217, 3952), (247, 3472), (248, 3458), (266, 3224), (304, 2821), (364, 2356), (403, 2128), (434, 1976), (494, 1736), (496, 1729), (532, 1612), (589, 1456), (728, 1178), (806, 1064), (868, 988)]