31021984

素因数分解:

$2^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1$

素因数の和:270

約数の個数: 96

約数和(自身を含む): 75841920

約数和(自身を除く): 44819936

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 37, 38, 56, 74, 76, 112, 133, 148, 152, 197, 224, 259, 266, 296, 304, 394, 518, 532, 592, 608, 703, 788, 1036, 1064, 1184, 1379, 1406, 1576, 2072, 2128, 2758, 2812, 3152, 3743, 4144, 4256, 4921, 5516, 5624, 6304, 7289, 7486, 8288, 9842, 11032, 11248, 14578, 14972, 19684, 22064, 22496, 26201, 29156, 29944, 39368, 44128, 51023, 52402, 58312, 59888, 78736, 102046, 104804, 116624, 119776, 138491, 157472, 204092, 209608, 233248, 276982, 408184, 419216, 553964, 816368, 838432, 969437, 1107928, 1632736, 1938874, 2215856, 3877748, 4431712, 7755496, 15510992, 31021984]

約数ペア:

[(1, 31021984), (2, 15510992), (4, 7755496), (7, 4431712), (8, 3877748), (14, 2215856), (16, 1938874), (19, 1632736), (28, 1107928), (32, 969437), (37, 838432), (38, 816368), (56, 553964), (74, 419216), (76, 408184), (112, 276982), (133, 233248), (148, 209608), (152, 204092), (197, 157472), (224, 138491), (259, 119776), (266, 116624), (296, 104804), (304, 102046), (394, 78736), (518, 59888), (532, 58312), (592, 52402), (608, 51023), (703, 44128), (788, 39368), (1036, 29944), (1064, 29156), (1184, 26201), (1379, 22496), (1406, 22064), (1576, 19684), (2072, 14972), (2128, 14578), (2758, 11248), (2812, 11032), (3152, 9842), (3743, 8288), (4144, 7486), (4256, 7289), (4921, 6304), (5516, 5624)]