7886432068

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{20021}}^1$

素因数の和:20188

約数の個数: 48

約数和(自身を含む): 14934810240

約数和(自身を除く): 7048378172

約数列:

[1, 2, 4, 19, 38, 71, 73, 76, 142, 146, 284, 292, 1349, 1387, 2698, 2774, 5183, 5396, 5548, 10366, 20021, 20732, 40042, 80084, 98477, 196954, 380399, 393908, 760798, 1421491, 1461533, 1521596, 2842982, 2923066, 5685964, 5846132, 27008329, 27769127, 54016658, 55538254, 103768843, 108033316, 111076508, 207537686, 415075372, 1971608017, 3943216034, 7886432068]

約数ペア:

[(1, 7886432068), (2, 3943216034), (4, 1971608017), (19, 415075372), (38, 207537686), (71, 111076508), (73, 108033316), (76, 103768843), (142, 55538254), (146, 54016658), (284, 27769127), (292, 27008329), (1349, 5846132), (1387, 5685964), (2698, 2923066), (2774, 2842982), (5183, 1521596), (5396, 1461533), (5548, 1421491), (10366, 760798), (20021, 393908), (20732, 380399), (40042, 196954), (80084, 98477)]