279402145

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{197}}^1\times {\mathrm{241}}^1$

素因数の和:561

約数の個数: 32

約数和(自身を含む): 372594816

約数和(自身を除く): 93192671

約数列:

[1, 5, 11, 55, 107, 197, 241, 535, 985, 1177, 1205, 2167, 2651, 5885, 10835, 13255, 21079, 25787, 47477, 105395, 128935, 231869, 237385, 283657, 522247, 1159345, 1418285, 2611235, 5080039, 25400195, 55880429, 279402145]

約数ペア:

[(1, 279402145), (5, 55880429), (11, 25400195), (55, 5080039), (107, 2611235), (197, 1418285), (241, 1159345), (535, 522247), (985, 283657), (1177, 237385), (1205, 231869), (2167, 128935), (2651, 105395), (5885, 47477), (10835, 25787), (13255, 21079)]