668999856

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{1991071}}^1$

素因数の和:1991089

約数の個数: 40

約数和(自身を含む): 1975143424

約数和(自身を除く): 1306143568

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 1991071, 3982142, 5973213, 7964284, 11946426, 13937497, 15928568, 23892852, 27874994, 31857136, 41812491, 47785704, 55749988, 83624982, 95571408, 111499976, 167249964, 222999952, 334499928, 668999856]

約数ペア:

[(1, 668999856), (2, 334499928), (3, 222999952), (4, 167249964), (6, 111499976), (7, 95571408), (8, 83624982), (12, 55749988), (14, 47785704), (16, 41812491), (21, 31857136), (24, 27874994), (28, 23892852), (42, 15928568), (48, 13937497), (56, 11946426), (84, 7964284), (112, 5973213), (168, 3982142), (336, 1991071)]