208231712

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{241}}^1$

素因数の和:362

約数の個数: 96

約数和(自身を含む): 464454144

約数和(自身を除く): 256222432

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 67, 104, 124, 134, 208, 241, 248, 268, 403, 416, 482, 496, 536, 806, 871, 964, 992, 1072, 1612, 1742, 1928, 2077, 2144, 3133, 3224, 3484, 3856, 4154, 6266, 6448, 6968, 7471, 7712, 8308, 12532, 12896, 13936, 14942, 16147, 16616, 25064, 27001, 27872, 29884, 32294, 33232, 50128, 54002, 59768, 64588, 66464, 97123, 100256, 108004, 119536, 129176, 194246, 209911, 216008, 239072, 258352, 388492, 419822, 432016, 500557, 516704, 776984, 839644, 864032, 1001114, 1553968, 1679288, 2002228, 3107936, 3358576, 4004456, 6507241, 6717152, 8008912, 13014482, 16017824, 26028964, 52057928, 104115856, 208231712]

約数ペア:

[(1, 208231712), (2, 104115856), (4, 52057928), (8, 26028964), (13, 16017824), (16, 13014482), (26, 8008912), (31, 6717152), (32, 6507241), (52, 4004456), (62, 3358576), (67, 3107936), (104, 2002228), (124, 1679288), (134, 1553968), (208, 1001114), (241, 864032), (248, 839644), (268, 776984), (403, 516704), (416, 500557), (482, 432016), (496, 419822), (536, 388492), (806, 258352), (871, 239072), (964, 216008), (992, 209911), (1072, 194246), (1612, 129176), (1742, 119536), (1928, 108004), (2077, 100256), (2144, 97123), (3133, 66464), (3224, 64588), (3484, 59768), (3856, 54002), (4154, 50128), (6266, 33232), (6448, 32294), (6968, 29884), (7471, 27872), (7712, 27001), (8308, 25064), (12532, 16616), (12896, 16147), (13936, 14942)]