73891328

素因数分解:

$2^9\times 7^1\times {\mathrm{53}}^1\times {\mathrm{389}}^1$

素因数の和:467

約数の個数: 80

約数和(自身を含む): 172355040

約数和(自身を除く): 98463712

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 53, 56, 64, 106, 112, 128, 212, 224, 256, 371, 389, 424, 448, 512, 742, 778, 848, 896, 1484, 1556, 1696, 1792, 2723, 2968, 3112, 3392, 3584, 5446, 5936, 6224, 6784, 10892, 11872, 12448, 13568, 20617, 21784, 23744, 24896, 27136, 41234, 43568, 47488, 49792, 82468, 87136, 94976, 99584, 144319, 164936, 174272, 189952, 199168, 288638, 329872, 348544, 577276, 659744, 697088, 1154552, 1319488, 1394176, 2309104, 2638976, 4618208, 5277952, 9236416, 10555904, 18472832, 36945664, 73891328]

約数ペア:

[(1, 73891328), (2, 36945664), (4, 18472832), (7, 10555904), (8, 9236416), (14, 5277952), (16, 4618208), (28, 2638976), (32, 2309104), (53, 1394176), (56, 1319488), (64, 1154552), (106, 697088), (112, 659744), (128, 577276), (212, 348544), (224, 329872), (256, 288638), (371, 199168), (389, 189952), (424, 174272), (448, 164936), (512, 144319), (742, 99584), (778, 94976), (848, 87136), (896, 82468), (1484, 49792), (1556, 47488), (1696, 43568), (1792, 41234), (2723, 27136), (2968, 24896), (3112, 23744), (3392, 21784), (3584, 20617), (5446, 13568), (5936, 12448), (6224, 11872), (6784, 10892)]