217182784

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{419}}^1$

素因数の和:540

約数の個数: 112

約数和(自身を含む): 537667200

約数和(自身を除く): 320484416

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 89, 91, 104, 112, 178, 182, 208, 224, 356, 364, 416, 419, 448, 623, 712, 728, 832, 838, 1157, 1246, 1424, 1456, 1676, 2314, 2492, 2848, 2912, 2933, 3352, 4628, 4984, 5447, 5696, 5824, 5866, 6704, 8099, 9256, 9968, 10894, 11732, 13408, 16198, 18512, 19936, 21788, 23464, 26816, 32396, 37024, 37291, 38129, 39872, 43576, 46928, 64792, 74048, 74582, 76258, 87152, 93856, 129584, 149164, 152516, 174304, 187712, 259168, 261037, 298328, 305032, 348608, 484783, 518336, 522074, 596656, 610064, 969566, 1044148, 1193312, 1220128, 1939132, 2088296, 2386624, 2440256, 3393481, 3878264, 4176592, 6786962, 7756528, 8353184, 13573924, 15513056, 16706368, 27147848, 31026112, 54295696, 108591392, 217182784]

約数ペア:

[(1, 217182784), (2, 108591392), (4, 54295696), (7, 31026112), (8, 27147848), (13, 16706368), (14, 15513056), (16, 13573924), (26, 8353184), (28, 7756528), (32, 6786962), (52, 4176592), (56, 3878264), (64, 3393481), (89, 2440256), (91, 2386624), (104, 2088296), (112, 1939132), (178, 1220128), (182, 1193312), (208, 1044148), (224, 969566), (356, 610064), (364, 596656), (416, 522074), (419, 518336), (448, 484783), (623, 348608), (712, 305032), (728, 298328), (832, 261037), (838, 259168), (1157, 187712), (1246, 174304), (1424, 152516), (1456, 149164), (1676, 129584), (2314, 93856), (2492, 87152), (2848, 76258), (2912, 74582), (2933, 74048), (3352, 64792), (4628, 46928), (4984, 43576), (5447, 39872), (5696, 38129), (5824, 37291), (5866, 37024), (6704, 32396), (8099, 26816), (9256, 23464), (9968, 21788), (10894, 19936), (11732, 18512), (13408, 16198)]