161927836

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{1049}}^1$

素因数の和:1246

約数の個数: 48

約数和(自身を含む): 335160000

約数和(自身を除く): 173232164

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 149, 259, 298, 518, 596, 1036, 1043, 1049, 2086, 2098, 4172, 4196, 5513, 7343, 11026, 14686, 22052, 29372, 38591, 38813, 77182, 77626, 154364, 155252, 156301, 271691, 312602, 543382, 625204, 1086764, 1094107, 2188214, 4376428, 5783137, 11566274, 23132548, 40481959, 80963918, 161927836]

約数ペア:

[(1, 161927836), (2, 80963918), (4, 40481959), (7, 23132548), (14, 11566274), (28, 5783137), (37, 4376428), (74, 2188214), (148, 1094107), (149, 1086764), (259, 625204), (298, 543382), (518, 312602), (596, 271691), (1036, 156301), (1043, 155252), (1049, 154364), (2086, 77626), (2098, 77182), (4172, 38813), (4196, 38591), (5513, 29372), (7343, 22052), (11026, 14686)]