331457568

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{919}}^1$

素因数の和:979

約数の個数: 144

約数和(自身を含む): 996448320

約数和(自身を除く): 664990752

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 17, 24, 26, 32, 34, 39, 48, 51, 52, 68, 78, 96, 102, 104, 136, 156, 204, 208, 221, 272, 289, 312, 408, 416, 442, 544, 578, 624, 663, 816, 867, 884, 919, 1156, 1248, 1326, 1632, 1734, 1768, 1838, 2312, 2652, 2757, 3468, 3536, 3676, 3757, 4624, 5304, 5514, 6936, 7072, 7352, 7514, 9248, 10608, 11028, 11271, 11947, 13872, 14704, 15028, 15623, 21216, 22056, 22542, 23894, 27744, 29408, 30056, 31246, 35841, 44112, 45084, 46869, 47788, 60112, 62492, 71682, 88224, 90168, 93738, 95576, 120224, 124984, 143364, 180336, 187476, 191152, 203099, 249968, 265591, 286728, 360672, 374952, 382304, 406198, 499936, 531182, 573456, 609297, 749904, 796773, 812396, 1062364, 1146912, 1218594, 1499808, 1593546, 1624792, 2124728, 2437188, 3187092, 3249584, 3452683, 4249456, 4874376, 6374184, 6499168, 6905366, 8498912, 9748752, 10358049, 12748368, 13810732, 19497504, 20716098, 25496736, 27621464, 41432196, 55242928, 82864392, 110485856, 165728784, 331457568]

約数ペア:

[(1, 331457568), (2, 165728784), (3, 110485856), (4, 82864392), (6, 55242928), (8, 41432196), (12, 27621464), (13, 25496736), (16, 20716098), (17, 19497504), (24, 13810732), (26, 12748368), (32, 10358049), (34, 9748752), (39, 8498912), (48, 6905366), (51, 6499168), (52, 6374184), (68, 4874376), (78, 4249456), (96, 3452683), (102, 3249584), (104, 3187092), (136, 2437188), (156, 2124728), (204, 1624792), (208, 1593546), (221, 1499808), (272, 1218594), (289, 1146912), (312, 1062364), (408, 812396), (416, 796773), (442, 749904), (544, 609297), (578, 573456), (624, 531182), (663, 499936), (816, 406198), (867, 382304), (884, 374952), (919, 360672), (1156, 286728), (1248, 265591), (1326, 249968), (1632, 203099), (1734, 191152), (1768, 187476), (1838, 180336), (2312, 143364), (2652, 124984), (2757, 120224), (3468, 95576), (3536, 93738), (3676, 90168), (3757, 88224), (4624, 71682), (5304, 62492), (5514, 60112), (6936, 47788), (7072, 46869), (7352, 45084), (7514, 44112), (9248, 35841), (10608, 31246), (11028, 30056), (11271, 29408), (11947, 27744), (13872, 23894), (14704, 22542), (15028, 22056), (15623, 21216)]