71661824

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{353}}^1$

素因数の和:443

約数の個数: 72

約数和(自身を含む): 157015992

約数和(自身を除く): 85354168

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 61, 64, 104, 122, 128, 208, 244, 256, 353, 416, 488, 706, 793, 832, 976, 1412, 1586, 1664, 1952, 2824, 3172, 3328, 3904, 4589, 5648, 6344, 7808, 9178, 11296, 12688, 15616, 18356, 21533, 22592, 25376, 36712, 43066, 45184, 50752, 73424, 86132, 90368, 101504, 146848, 172264, 203008, 279929, 293696, 344528, 559858, 587392, 689056, 1119716, 1174784, 1378112, 2239432, 2756224, 4478864, 5512448, 8957728, 17915456, 35830912, 71661824]

約数ペア:

[(1, 71661824), (2, 35830912), (4, 17915456), (8, 8957728), (13, 5512448), (16, 4478864), (26, 2756224), (32, 2239432), (52, 1378112), (61, 1174784), (64, 1119716), (104, 689056), (122, 587392), (128, 559858), (208, 344528), (244, 293696), (256, 279929), (353, 203008), (416, 172264), (488, 146848), (706, 101504), (793, 90368), (832, 86132), (976, 73424), (1412, 50752), (1586, 45184), (1664, 43066), (1952, 36712), (2824, 25376), (3172, 22592), (3328, 21533), (3904, 18356), (4589, 15616), (5648, 12688), (6344, 11296), (7808, 9178)]