205531456

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:216

約数の個数: 112

約数和(自身を含む): 460857600

約数和(自身を除く): 255326144

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 53, 59, 64, 79, 104, 106, 118, 158, 208, 212, 236, 316, 416, 424, 472, 632, 689, 767, 832, 848, 944, 1027, 1264, 1378, 1534, 1696, 1888, 2054, 2528, 2756, 3068, 3127, 3392, 3776, 4108, 4187, 4661, 5056, 5512, 6136, 6254, 8216, 8374, 9322, 11024, 12272, 12508, 16432, 16748, 18644, 22048, 24544, 25016, 32864, 33496, 37288, 40651, 44096, 49088, 50032, 54431, 60593, 65728, 66992, 74576, 81302, 100064, 108862, 121186, 133984, 149152, 162604, 200128, 217724, 242372, 247033, 267968, 298304, 325208, 435448, 484744, 494066, 650416, 870896, 969488, 988132, 1300832, 1741792, 1938976, 1976264, 2601664, 3211429, 3483584, 3877952, 3952528, 6422858, 7905056, 12845716, 15810112, 25691432, 51382864, 102765728, 205531456]

約数ペア:

[(1, 205531456), (2, 102765728), (4, 51382864), (8, 25691432), (13, 15810112), (16, 12845716), (26, 7905056), (32, 6422858), (52, 3952528), (53, 3877952), (59, 3483584), (64, 3211429), (79, 2601664), (104, 1976264), (106, 1938976), (118, 1741792), (158, 1300832), (208, 988132), (212, 969488), (236, 870896), (316, 650416), (416, 494066), (424, 484744), (472, 435448), (632, 325208), (689, 298304), (767, 267968), (832, 247033), (848, 242372), (944, 217724), (1027, 200128), (1264, 162604), (1378, 149152), (1534, 133984), (1696, 121186), (1888, 108862), (2054, 100064), (2528, 81302), (2756, 74576), (3068, 66992), (3127, 65728), (3392, 60593), (3776, 54431), (4108, 50032), (4187, 49088), (4661, 44096), (5056, 40651), (5512, 37288), (6136, 33496), (6254, 32864), (8216, 25016), (8374, 24544), (9322, 22048), (11024, 18644), (12272, 16748), (12508, 16432)]