168392380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{647663}}^1$

素因数の和:647685

約数の個数: 24

約数和(自身を含む): 380826432

約数和(自身を除く): 212434052

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 647663, 1295326, 2590652, 3238315, 6476630, 8419619, 12953260, 16839238, 33678476, 42098095, 84196190, 168392380]

約数ペア:

[(1, 168392380), (2, 84196190), (4, 42098095), (5, 33678476), (10, 16839238), (13, 12953260), (20, 8419619), (26, 6476630), (52, 3238315), (65, 2590652), (130, 1295326), (260, 647663)]