81470584

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{3121}}^1$

素因数の和:3391

約数の個数: 32

約数和(自身を含む): 165216240

約数和(自身を除く): 83745656

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 251, 502, 1004, 2008, 3121, 3263, 6242, 6526, 12484, 13052, 24968, 26104, 40573, 81146, 162292, 324584, 783371, 1566742, 3133484, 6266968, 10183823, 20367646, 40735292, 81470584]

約数ペア:

[(1, 81470584), (2, 40735292), (4, 20367646), (8, 10183823), (13, 6266968), (26, 3133484), (52, 1566742), (104, 783371), (251, 324584), (502, 162292), (1004, 81146), (2008, 40573), (3121, 26104), (3263, 24968), (6242, 13052), (6526, 12484)]