72741728

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{661}}^1$

素因数の和:871

約数の個数: 48

約数和(自身を含む): 151809840

約数和(自身を除く): 79068112

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 181, 304, 362, 608, 661, 724, 1322, 1448, 2644, 2896, 3439, 5288, 5792, 6878, 10576, 12559, 13756, 21152, 25118, 27512, 50236, 55024, 100472, 110048, 119641, 200944, 239282, 401888, 478564, 957128, 1914256, 2273179, 3828512, 4546358, 9092716, 18185432, 36370864, 72741728]

約数ペア:

[(1, 72741728), (2, 36370864), (4, 18185432), (8, 9092716), (16, 4546358), (19, 3828512), (32, 2273179), (38, 1914256), (76, 957128), (152, 478564), (181, 401888), (304, 239282), (362, 200944), (608, 119641), (661, 110048), (724, 100472), (1322, 55024), (1448, 50236), (2644, 27512), (2896, 25118), (3439, 21152), (5288, 13756), (5792, 12559), (6878, 10576)]