81985435

素因数分解:

$5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{193}}^1\times {\mathrm{229}}^1$

素因数の和:487

約数の個数: 32

約数和(自身を含む): 115655040

約数和(自身を除く): 33669605

約数列:

[1, 5, 7, 35, 53, 193, 229, 265, 371, 965, 1145, 1351, 1603, 1855, 6755, 8015, 10229, 12137, 44197, 51145, 60685, 71603, 84959, 220985, 309379, 358015, 424795, 1546895, 2342441, 11712205, 16397087, 81985435]

約数ペア:

[(1, 81985435), (5, 16397087), (7, 11712205), (35, 2342441), (53, 1546895), (193, 424795), (229, 358015), (265, 309379), (371, 220985), (965, 84959), (1145, 71603), (1351, 60685), (1603, 51145), (1855, 44197), (6755, 12137), (8015, 10229)]