399760228

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{107347}}^1$

素因数の和:107384

約数の個数: 36

約数和(自身を含む): 856637040

約数和(自身を除く): 456876812

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 532, 931, 1862, 3724, 107347, 214694, 429388, 751429, 1502858, 2039593, 3005716, 4079186, 5260003, 8158372, 10520006, 14277151, 21040012, 28554302, 57108604, 99940057, 199880114, 399760228]

約数ペア:

[(1, 399760228), (2, 199880114), (4, 99940057), (7, 57108604), (14, 28554302), (19, 21040012), (28, 14277151), (38, 10520006), (49, 8158372), (76, 5260003), (98, 4079186), (133, 3005716), (196, 2039593), (266, 1502858), (532, 751429), (931, 429388), (1862, 214694), (3724, 107347)]