81498456

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{87071}}^1$

素因数の和:87096

約数の個数: 48

約数和(自身を含む): 237706560

約数和(自身を除く): 156208104

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 87071, 174142, 261213, 348284, 522426, 696568, 783639, 1044852, 1131923, 1567278, 2089704, 2263846, 3134556, 3395769, 4527692, 6269112, 6791538, 9055384, 10187307, 13583076, 20374614, 27166152, 40749228, 81498456]

約数ペア:

[(1, 81498456), (2, 40749228), (3, 27166152), (4, 20374614), (6, 13583076), (8, 10187307), (9, 9055384), (12, 6791538), (13, 6269112), (18, 4527692), (24, 3395769), (26, 3134556), (36, 2263846), (39, 2089704), (52, 1567278), (72, 1131923), (78, 1044852), (104, 783639), (117, 696568), (156, 522426), (234, 348284), (312, 261213), (468, 174142), (936, 87071)]