1641388

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^2\times {\mathrm{61}}^1$

素因数の和:134

約数の個数: 36

約数和(自身を含む): 3447696

約数和(自身を除く): 1806308

約数列:

[1, 2, 4, 7, 14, 28, 31, 61, 62, 122, 124, 217, 244, 427, 434, 854, 868, 961, 1708, 1891, 1922, 3782, 3844, 6727, 7564, 13237, 13454, 26474, 26908, 52948, 58621, 117242, 234484, 410347, 820694, 1641388]

約数ペア:

[(1, 1641388), (2, 820694), (4, 410347), (7, 234484), (14, 117242), (28, 58621), (31, 52948), (61, 26908), (62, 26474), (122, 13454), (124, 13237), (217, 7564), (244, 6727), (427, 3844), (434, 3782), (854, 1922), (868, 1891), (961, 1708)]