169904308

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{821}}^1$

素因数の和:1240

約数の個数: 48

約数和(自身を含む): 359049600

約数和(自身を除く): 189145292

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 389, 532, 778, 821, 1556, 1642, 2723, 3284, 5446, 5747, 7391, 10892, 11494, 14782, 15599, 22988, 29564, 31198, 51737, 62396, 103474, 109193, 206948, 218386, 319369, 436772, 638738, 1277476, 2235583, 4471166, 6068011, 8942332, 12136022, 24272044, 42476077, 84952154, 169904308]

約数ペア:

[(1, 169904308), (2, 84952154), (4, 42476077), (7, 24272044), (14, 12136022), (19, 8942332), (28, 6068011), (38, 4471166), (76, 2235583), (133, 1277476), (266, 638738), (389, 436772), (532, 319369), (778, 218386), (821, 206948), (1556, 109193), (1642, 103474), (2723, 62396), (3284, 51737), (5446, 31198), (5747, 29564), (7391, 22988), (10892, 15599), (11494, 14782)]