81681576

素因数分解:

$2^3\times 3^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{643}}^1$

素因数の和:798

約数の個数: 64

約数和(自身を含む): 210201600

約数和(自身を除く): 128520024

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 67, 79, 134, 158, 201, 237, 268, 316, 402, 474, 536, 632, 643, 804, 948, 1286, 1608, 1896, 1929, 2572, 3858, 5144, 5293, 7716, 10586, 15432, 15879, 21172, 31758, 42344, 43081, 50797, 63516, 86162, 101594, 127032, 129243, 152391, 172324, 203188, 258486, 304782, 344648, 406376, 516972, 609564, 1033944, 1219128, 3403399, 6806798, 10210197, 13613596, 20420394, 27227192, 40840788, 81681576]

約数ペア:

[(1, 81681576), (2, 40840788), (3, 27227192), (4, 20420394), (6, 13613596), (8, 10210197), (12, 6806798), (24, 3403399), (67, 1219128), (79, 1033944), (134, 609564), (158, 516972), (201, 406376), (237, 344648), (268, 304782), (316, 258486), (402, 203188), (474, 172324), (536, 152391), (632, 129243), (643, 127032), (804, 101594), (948, 86162), (1286, 63516), (1608, 50797), (1896, 43081), (1929, 42344), (2572, 31758), (3858, 21172), (5144, 15879), (5293, 15432), (7716, 10586)]