81956224

素因数分解:

$2^7\times 7^2\times {\mathrm{73}}^1\times {\mathrm{179}}^1$

素因数の和:280

約数の個数: 96

約数和(自身を含む): 193606200

約数和(自身を除く): 111649976

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 73, 98, 112, 128, 146, 179, 196, 224, 292, 358, 392, 448, 511, 584, 716, 784, 896, 1022, 1168, 1253, 1432, 1568, 2044, 2336, 2506, 2864, 3136, 3577, 4088, 4672, 5012, 5728, 6272, 7154, 8176, 8771, 9344, 10024, 11456, 13067, 14308, 16352, 17542, 20048, 22912, 26134, 28616, 32704, 35084, 40096, 52268, 57232, 65408, 70168, 80192, 91469, 104536, 114464, 140336, 160384, 182938, 209072, 228928, 280672, 365876, 418144, 457856, 561344, 640283, 731752, 836288, 1122688, 1280566, 1463504, 1672576, 2561132, 2927008, 5122264, 5854016, 10244528, 11708032, 20489056, 40978112, 81956224]

約数ペア:

[(1, 81956224), (2, 40978112), (4, 20489056), (7, 11708032), (8, 10244528), (14, 5854016), (16, 5122264), (28, 2927008), (32, 2561132), (49, 1672576), (56, 1463504), (64, 1280566), (73, 1122688), (98, 836288), (112, 731752), (128, 640283), (146, 561344), (179, 457856), (196, 418144), (224, 365876), (292, 280672), (358, 228928), (392, 209072), (448, 182938), (511, 160384), (584, 140336), (716, 114464), (784, 104536), (896, 91469), (1022, 80192), (1168, 70168), (1253, 65408), (1432, 57232), (1568, 52268), (2044, 40096), (2336, 35084), (2506, 32704), (2864, 28616), (3136, 26134), (3577, 22912), (4088, 20048), (4672, 17542), (5012, 16352), (5728, 14308), (6272, 13067), (7154, 11456), (8176, 10024), (8771, 9344)]