639843792

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{1904297}}^1$

素因数の和:1904315

約数の個数: 40

約数和(自身を含む): 1889063616

約数和(自身を除く): 1249219824

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 1904297, 3808594, 5712891, 7617188, 11425782, 13330079, 15234376, 22851564, 26660158, 30468752, 39990237, 45703128, 53320316, 79980474, 91406256, 106640632, 159960948, 213281264, 319921896, 639843792]

約数ペア:

[(1, 639843792), (2, 319921896), (3, 213281264), (4, 159960948), (6, 106640632), (7, 91406256), (8, 79980474), (12, 53320316), (14, 45703128), (16, 39990237), (21, 30468752), (24, 26660158), (28, 22851564), (42, 15234376), (48, 13330079), (56, 11425782), (84, 7617188), (112, 5712891), (168, 3808594), (336, 1904297)]