28012516

素因数分解:

$2^2\times 7^2\times {\mathrm{131}}^1\times {\mathrm{1091}}^1$

素因数の和:1240

約数の個数: 36

約数和(自身を含む): 57513456

約数和(自身を除く): 29500940

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 131, 196, 262, 524, 917, 1091, 1834, 2182, 3668, 4364, 6419, 7637, 12838, 15274, 25676, 30548, 53459, 106918, 142921, 213836, 285842, 571684, 1000447, 2000894, 4001788, 7003129, 14006258, 28012516]

約数ペア:

[(1, 28012516), (2, 14006258), (4, 7003129), (7, 4001788), (14, 2000894), (28, 1000447), (49, 571684), (98, 285842), (131, 213836), (196, 142921), (262, 106918), (524, 53459), (917, 30548), (1091, 25676), (1834, 15274), (2182, 12838), (3668, 7637), (4364, 6419)]