163405984

素因数分解:

$2^5\times 7^2\times {\mathrm{23}}^2\times {\mathrm{197}}^1$

素因数の和:267

約数の個数: 108

約数和(自身を含む): 393192954

約数和(自身を除く): 229786970

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 49, 56, 92, 98, 112, 161, 184, 196, 197, 224, 322, 368, 392, 394, 529, 644, 736, 784, 788, 1058, 1127, 1288, 1379, 1568, 1576, 2116, 2254, 2576, 2758, 3152, 3703, 4232, 4508, 4531, 5152, 5516, 6304, 7406, 8464, 9016, 9062, 9653, 11032, 14812, 16928, 18032, 18124, 19306, 22064, 25921, 29624, 31717, 36064, 36248, 38612, 44128, 51842, 59248, 63434, 72496, 77224, 103684, 104213, 118496, 126868, 144992, 154448, 207368, 208426, 222019, 253736, 308896, 414736, 416852, 444038, 507472, 729491, 829472, 833704, 888076, 1014944, 1458982, 1667408, 1776152, 2917964, 3334816, 3552304, 5106437, 5835928, 7104608, 10212874, 11671856, 20425748, 23343712, 40851496, 81702992, 163405984]

約数ペア:

[(1, 163405984), (2, 81702992), (4, 40851496), (7, 23343712), (8, 20425748), (14, 11671856), (16, 10212874), (23, 7104608), (28, 5835928), (32, 5106437), (46, 3552304), (49, 3334816), (56, 2917964), (92, 1776152), (98, 1667408), (112, 1458982), (161, 1014944), (184, 888076), (196, 833704), (197, 829472), (224, 729491), (322, 507472), (368, 444038), (392, 416852), (394, 414736), (529, 308896), (644, 253736), (736, 222019), (784, 208426), (788, 207368), (1058, 154448), (1127, 144992), (1288, 126868), (1379, 118496), (1568, 104213), (1576, 103684), (2116, 77224), (2254, 72496), (2576, 63434), (2758, 59248), (3152, 51842), (3703, 44128), (4232, 38612), (4508, 36248), (4531, 36064), (5152, 31717), (5516, 29624), (6304, 25921), (7406, 22064), (8464, 19306), (9016, 18124), (9062, 18032), (9653, 16928), (11032, 14812)]