3999687916

素因数分解:

$2^2\times 7^2\times {\mathrm{257}}^1\times {\mathrm{271}}^1\times {\mathrm{293}}^1$

素因数の和:839

約数の個数: 72

約数和(自身を含む): 8232065856

約数和(自身を除く): 4232377940

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 257, 271, 293, 514, 542, 586, 1028, 1084, 1172, 1799, 1897, 2051, 3598, 3794, 4102, 7196, 7588, 8204, 12593, 13279, 14357, 25186, 26558, 28714, 50372, 53116, 57428, 69647, 75301, 79403, 139294, 150602, 158806, 278588, 301204, 317612, 487529, 527107, 555821, 975058, 1054214, 1111642, 1950116, 2108428, 2223284, 3412703, 3689749, 3890747, 6825406, 7379498, 7781494, 13650812, 14758996, 15562988, 20406571, 40813142, 81626284, 142845997, 285691994, 571383988, 999921979, 1999843958, 3999687916]

約数ペア:

[(1, 3999687916), (2, 1999843958), (4, 999921979), (7, 571383988), (14, 285691994), (28, 142845997), (49, 81626284), (98, 40813142), (196, 20406571), (257, 15562988), (271, 14758996), (293, 13650812), (514, 7781494), (542, 7379498), (586, 6825406), (1028, 3890747), (1084, 3689749), (1172, 3412703), (1799, 2223284), (1897, 2108428), (2051, 1950116), (3598, 1111642), (3794, 1054214), (4102, 975058), (7196, 555821), (7588, 527107), (8204, 487529), (12593, 317612), (13279, 301204), (14357, 278588), (25186, 158806), (26558, 150602), (28714, 139294), (50372, 79403), (53116, 75301), (57428, 69647)]