78904973

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{227}}^1$

素因数の和:401

約数の個数: 32

約数和(自身を含む): 100859904

約数和(自身を除く): 21954931

約数列:

[1, 7, 17, 23, 119, 127, 161, 227, 391, 889, 1589, 2159, 2737, 2921, 3859, 5221, 15113, 20447, 27013, 28829, 36547, 49657, 88757, 201803, 347599, 490093, 621299, 663067, 3430651, 4641469, 11272139, 78904973]

約数ペア:

[(1, 78904973), (7, 11272139), (17, 4641469), (23, 3430651), (119, 663067), (127, 621299), (161, 490093), (227, 347599), (391, 201803), (889, 88757), (1589, 49657), (2159, 36547), (2737, 28829), (2921, 27013), (3859, 20447), (5221, 15113)]