12903910

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{251}}^1$

素因数の和:408

約数の個数: 32

約数和(自身を含む): 24004512

約数和(自身を除く): 11100602

約数列:

[1, 2, 5, 10, 53, 97, 106, 194, 251, 265, 485, 502, 530, 970, 1255, 2510, 5141, 10282, 13303, 24347, 25705, 26606, 48694, 51410, 66515, 121735, 133030, 243470, 1290391, 2580782, 6451955, 12903910]

約数ペア:

[(1, 12903910), (2, 6451955), (5, 2580782), (10, 1290391), (53, 243470), (97, 133030), (106, 121735), (194, 66515), (251, 51410), (265, 48694), (485, 26606), (502, 25705), (530, 24347), (970, 13303), (1255, 10282), (2510, 5141)]