15978884

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{991}}^1$

素因数の和:1163

約数の個数: 24

約数和(自身を含む): 29164800

約数和(自身を除く): 13185916

約数列:

[1, 2, 4, 29, 58, 116, 139, 278, 556, 991, 1982, 3964, 4031, 8062, 16124, 28739, 57478, 114956, 137749, 275498, 550996, 3994721, 7989442, 15978884]

約数ペア:

[(1, 15978884), (2, 7989442), (4, 3994721), (29, 550996), (58, 275498), (116, 137749), (139, 114956), (278, 57478), (556, 28739), (991, 16124), (1982, 8062), (3964, 4031)]