1639123876

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{240623}}^1$

素因数の和:240771

約数の個数: 24

約数和(自身を含む): 3112712064

約数和(自身を除く): 1473588188

約数列:

[1, 2, 4, 13, 26, 52, 131, 262, 524, 1703, 3406, 6812, 240623, 481246, 962492, 3128099, 6256198, 12512396, 31521613, 63043226, 126086452, 409780969, 819561938, 1639123876]

約数ペア:

[(1, 1639123876), (2, 819561938), (4, 409780969), (13, 126086452), (26, 63043226), (52, 31521613), (131, 12512396), (262, 6256198), (524, 3128099), (1703, 962492), (3406, 481246), (6812, 240623)]