213567616

素因数分解:

$2^7\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{167}}^1$

素因数の和:381

約数の個数: 64

約数和(自身を含む): 436625280

約数和(自身を除く): 223057664

約数列:

[1, 2, 4, 8, 16, 32, 64, 97, 103, 128, 167, 194, 206, 334, 388, 412, 668, 776, 824, 1336, 1552, 1648, 2672, 3104, 3296, 5344, 6208, 6592, 9991, 10688, 12416, 13184, 16199, 17201, 19982, 21376, 32398, 34402, 39964, 64796, 68804, 79928, 129592, 137608, 159856, 259184, 275216, 319712, 518368, 550432, 639424, 1036736, 1100864, 1278848, 1668497, 2073472, 2201728, 3336994, 6673988, 13347976, 26695952, 53391904, 106783808, 213567616]

約数ペア:

[(1, 213567616), (2, 106783808), (4, 53391904), (8, 26695952), (16, 13347976), (32, 6673988), (64, 3336994), (97, 2201728), (103, 2073472), (128, 1668497), (167, 1278848), (194, 1100864), (206, 1036736), (334, 639424), (388, 550432), (412, 518368), (668, 319712), (776, 275216), (824, 259184), (1336, 159856), (1552, 137608), (1648, 129592), (2672, 79928), (3104, 68804), (3296, 64796), (5344, 39964), (6208, 34402), (6592, 32398), (9991, 21376), (10688, 19982), (12416, 17201), (13184, 16199)]