72869995

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{541}}^1$

素因数の和:667

約数の個数: 32

約数和(自身を含む): 99901440

約数和(自身を除く): 27031445

約数列:

[1, 5, 11, 31, 55, 79, 155, 341, 395, 541, 869, 1705, 2449, 2705, 4345, 5951, 12245, 16771, 26939, 29755, 42739, 83855, 134695, 184481, 213695, 470129, 922405, 1324909, 2350645, 6624545, 14573999, 72869995]

約数ペア:

[(1, 72869995), (5, 14573999), (11, 6624545), (31, 2350645), (55, 1324909), (79, 922405), (155, 470129), (341, 213695), (395, 184481), (541, 134695), (869, 83855), (1705, 42739), (2449, 29755), (2705, 26939), (4345, 16771), (5951, 12245)]