78978235

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{877}}^1$

素因数の和:1003

約数の個数: 32

約数和(自身を含む): 113283072

約数和(自身を除く): 34304837

約数列:

[1, 5, 7, 31, 35, 83, 155, 217, 415, 581, 877, 1085, 2573, 2905, 4385, 6139, 12865, 18011, 27187, 30695, 72791, 90055, 135935, 190309, 363955, 509537, 951545, 2256521, 2547685, 11282605, 15795647, 78978235]

約数ペア:

[(1, 78978235), (5, 15795647), (7, 11282605), (31, 2547685), (35, 2256521), (83, 951545), (155, 509537), (217, 363955), (415, 190309), (581, 135935), (877, 90055), (1085, 72791), (2573, 30695), (2905, 27187), (4385, 18011), (6139, 12865)]