194072008

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{257}}^1$

素因数の和:466

約数の個数: 64

約数和(自身を含む): 403749360

約数和(自身を除く): 209677352

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 104, 106, 137, 212, 257, 274, 424, 514, 548, 689, 1028, 1096, 1378, 1781, 2056, 2756, 3341, 3562, 5512, 6682, 7124, 7261, 13364, 13621, 14248, 14522, 26728, 27242, 29044, 35209, 54484, 58088, 70418, 94393, 108968, 140836, 177073, 188786, 281672, 354146, 377572, 457717, 708292, 755144, 915434, 1416584, 1830868, 1866077, 3661736, 3732154, 7464308, 14928616, 24259001, 48518002, 97036004, 194072008]

約数ペア:

[(1, 194072008), (2, 97036004), (4, 48518002), (8, 24259001), (13, 14928616), (26, 7464308), (52, 3732154), (53, 3661736), (104, 1866077), (106, 1830868), (137, 1416584), (212, 915434), (257, 755144), (274, 708292), (424, 457717), (514, 377572), (548, 354146), (689, 281672), (1028, 188786), (1096, 177073), (1378, 140836), (1781, 108968), (2056, 94393), (2756, 70418), (3341, 58088), (3562, 54484), (5512, 35209), (6682, 29044), (7124, 27242), (7261, 26728), (13364, 14522), (13621, 14248)]