81330390845

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2693}}^1\times {\mathrm{17713}}^1$

素因数の和:20453

約数の個数: 32

約数和(自身を含む): 109950372864

約数和(自身を除く): 28619982019

約数列:

[1, 5, 11, 31, 55, 155, 341, 1705, 2693, 13465, 17713, 29623, 83483, 88565, 148115, 194843, 417415, 549103, 918313, 974215, 2745515, 4591565, 6040133, 30200665, 47701109, 238505545, 524712199, 1478734379, 2623560995, 7393671895, 16266078169, 81330390845]

約数ペア:

[(1, 81330390845), (5, 16266078169), (11, 7393671895), (31, 2623560995), (55, 1478734379), (155, 524712199), (341, 238505545), (1705, 47701109), (2693, 30200665), (13465, 6040133), (17713, 4591565), (29623, 2745515), (83483, 974215), (88565, 918313), (148115, 549103), (194843, 417415)]