7138043405

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1\times {\mathrm{6449}}^1$

素因数の和:6725

約数の個数: 32

約数和(自身を含む): 9213696000

約数和(自身を除く): 2075652595

約数列:

[1, 5, 19, 61, 95, 191, 305, 955, 1159, 3629, 5795, 6449, 11651, 18145, 32245, 58255, 122531, 221369, 393389, 612655, 1106845, 1231759, 1966945, 6158795, 7474391, 23403421, 37371955, 75137299, 117017105, 375686495, 1427608681, 7138043405]

約数ペア:

[(1, 7138043405), (5, 1427608681), (19, 375686495), (61, 117017105), (95, 75137299), (191, 37371955), (305, 23403421), (955, 7474391), (1159, 6158795), (3629, 1966945), (5795, 1231759), (6449, 1106845), (11651, 612655), (18145, 393389), (32245, 221369), (58255, 122531)]