81315408

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{39397}}^1$

素因数の和:39451

約数の個数: 40

約数和(自身を含む): 214955488

約数和(自身を除く): 133640080

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 86, 129, 172, 258, 344, 516, 688, 1032, 2064, 39397, 78794, 118191, 157588, 236382, 315176, 472764, 630352, 945528, 1694071, 1891056, 3388142, 5082213, 6776284, 10164426, 13552568, 20328852, 27105136, 40657704, 81315408]

約数ペア:

[(1, 81315408), (2, 40657704), (3, 27105136), (4, 20328852), (6, 13552568), (8, 10164426), (12, 6776284), (16, 5082213), (24, 3388142), (43, 1891056), (48, 1694071), (86, 945528), (129, 630352), (172, 472764), (258, 315176), (344, 236382), (516, 157588), (688, 118191), (1032, 78794), (2064, 39397)]