30878372

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{12391}}^1$

素因数の和:12491

約数の個数: 24

約数和(自身を含む): 62455680

約数和(自身を除く): 31577308

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 356, 623, 1246, 2492, 12391, 24782, 49564, 86737, 173474, 346948, 1102799, 2205598, 4411196, 7719593, 15439186, 30878372]

約数ペア:

[(1, 30878372), (2, 15439186), (4, 7719593), (7, 4411196), (14, 2205598), (28, 1102799), (89, 346948), (178, 173474), (356, 86737), (623, 49564), (1246, 24782), (2492, 12391)]