71558656

素因数分解:

$2^9\times {\mathrm{13}}^2\times {\mathrm{827}}^1$

素因数の和:871

約数の個数: 60

約数和(自身を含む): 155009052

約数和(自身を除く): 83450396

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 169, 208, 256, 338, 416, 512, 676, 827, 832, 1352, 1654, 1664, 2704, 3308, 3328, 5408, 6616, 6656, 10751, 10816, 13232, 21502, 21632, 26464, 43004, 43264, 52928, 86008, 86528, 105856, 139763, 172016, 211712, 279526, 344032, 423424, 559052, 688064, 1118104, 1376128, 2236208, 2752256, 4472416, 5504512, 8944832, 17889664, 35779328, 71558656]

約数ペア:

[(1, 71558656), (2, 35779328), (4, 17889664), (8, 8944832), (13, 5504512), (16, 4472416), (26, 2752256), (32, 2236208), (52, 1376128), (64, 1118104), (104, 688064), (128, 559052), (169, 423424), (208, 344032), (256, 279526), (338, 211712), (416, 172016), (512, 139763), (676, 105856), (827, 86528), (832, 86008), (1352, 52928), (1654, 43264), (1664, 43004), (2704, 26464), (3308, 21632), (3328, 21502), (5408, 13232), (6616, 10816), (6656, 10751)]