398942012

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{749891}}^1$

素因数の和:749921

約数の個数: 24

約数和(自身を含む): 839879040

約数和(自身を除く): 440937028

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 749891, 1499782, 2999564, 5249237, 10498474, 14247929, 20996948, 28495858, 56991716, 99735503, 199471006, 398942012]

約数ペア:

[(1, 398942012), (2, 199471006), (4, 99735503), (7, 56991716), (14, 28495858), (19, 20996948), (28, 14247929), (38, 10498474), (76, 5249237), (133, 2999564), (266, 1499782), (532, 749891)]