638408512

素因数分解:

$2^6\times 7^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{419}}^1$

素因数の和:636

約数の個数: 112

約数和(自身を含む): 1536192000

約数和(自身を除く): 897783488

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 76, 112, 133, 152, 179, 224, 266, 304, 358, 419, 448, 532, 608, 716, 838, 1064, 1216, 1253, 1432, 1676, 2128, 2506, 2864, 2933, 3352, 3401, 4256, 5012, 5728, 5866, 6704, 6802, 7961, 8512, 10024, 11456, 11732, 13408, 13604, 15922, 20048, 23464, 23807, 26816, 27208, 31844, 40096, 46928, 47614, 54416, 55727, 63688, 75001, 80192, 93856, 95228, 108832, 111454, 127376, 150002, 187712, 190456, 217664, 222908, 254752, 300004, 380912, 445816, 509504, 525007, 600008, 761824, 891632, 1050014, 1200016, 1425019, 1523648, 1783264, 2100028, 2400032, 2850038, 3566528, 4200056, 4800064, 5700076, 8400112, 9975133, 11400152, 16800224, 19950266, 22800304, 33600448, 39900532, 45600608, 79801064, 91201216, 159602128, 319204256, 638408512]

約数ペア:

[(1, 638408512), (2, 319204256), (4, 159602128), (7, 91201216), (8, 79801064), (14, 45600608), (16, 39900532), (19, 33600448), (28, 22800304), (32, 19950266), (38, 16800224), (56, 11400152), (64, 9975133), (76, 8400112), (112, 5700076), (133, 4800064), (152, 4200056), (179, 3566528), (224, 2850038), (266, 2400032), (304, 2100028), (358, 1783264), (419, 1523648), (448, 1425019), (532, 1200016), (608, 1050014), (716, 891632), (838, 761824), (1064, 600008), (1216, 525007), (1253, 509504), (1432, 445816), (1676, 380912), (2128, 300004), (2506, 254752), (2864, 222908), (2933, 217664), (3352, 190456), (3401, 187712), (4256, 150002), (5012, 127376), (5728, 111454), (5866, 108832), (6704, 95228), (6802, 93856), (7961, 80192), (8512, 75001), (10024, 63688), (11456, 55727), (11732, 54416), (13408, 47614), (13604, 46928), (15922, 40096), (20048, 31844), (23464, 27208), (23807, 26816)]