668249904

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{1988839}}^1$

素因数の和:1988857

約数の個数: 40

約数和(自身を含む): 1972929280

約数和(自身を除く): 1304679376

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 1988839, 3977678, 5966517, 7955356, 11933034, 13921873, 15910712, 23866068, 27843746, 31821424, 41765619, 47732136, 55687492, 83531238, 95464272, 111374984, 167062476, 222749968, 334124952, 668249904]

約数ペア:

[(1, 668249904), (2, 334124952), (3, 222749968), (4, 167062476), (6, 111374984), (7, 95464272), (8, 83531238), (12, 55687492), (14, 47732136), (16, 41765619), (21, 31821424), (24, 27843746), (28, 23866068), (42, 15910712), (48, 13921873), (56, 11933034), (84, 7955356), (112, 5966517), (168, 3977678), (336, 1988839)]