215062016

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{409}}^1$

素因数の和:519

約数の個数: 80

約数和(自身を含む): 469761600

約数和(自身を除く): 254699584

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 79, 104, 128, 158, 208, 256, 316, 409, 416, 512, 632, 818, 832, 1027, 1264, 1636, 1664, 2054, 2528, 3272, 3328, 4108, 5056, 5317, 6544, 6656, 8216, 10112, 10634, 13088, 16432, 20224, 21268, 26176, 32311, 32864, 40448, 42536, 52352, 64622, 65728, 85072, 104704, 129244, 131456, 170144, 209408, 258488, 262912, 340288, 420043, 516976, 525824, 680576, 840086, 1033952, 1361152, 1680172, 2067904, 2722304, 3360344, 4135808, 6720688, 8271616, 13441376, 16543232, 26882752, 53765504, 107531008, 215062016]

約数ペア:

[(1, 215062016), (2, 107531008), (4, 53765504), (8, 26882752), (13, 16543232), (16, 13441376), (26, 8271616), (32, 6720688), (52, 4135808), (64, 3360344), (79, 2722304), (104, 2067904), (128, 1680172), (158, 1361152), (208, 1033952), (256, 840086), (316, 680576), (409, 525824), (416, 516976), (512, 420043), (632, 340288), (818, 262912), (832, 258488), (1027, 209408), (1264, 170144), (1636, 131456), (1664, 129244), (2054, 104704), (2528, 85072), (3272, 65728), (3328, 64622), (4108, 52352), (5056, 42536), (5317, 40448), (6544, 32864), (6656, 32311), (8216, 26176), (10112, 21268), (10634, 20224), (13088, 16432)]