161003008

素因数分解:

$2^9\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:235

約数の個数: 80

約数和(自身を含む): 337049856

約数和(自身を除く): 176046848

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 71, 86, 103, 128, 142, 172, 206, 256, 284, 344, 412, 512, 568, 688, 824, 1136, 1376, 1648, 2272, 2752, 3053, 3296, 4429, 4544, 5504, 6106, 6592, 7313, 8858, 9088, 11008, 12212, 13184, 14626, 17716, 18176, 22016, 24424, 26368, 29252, 35432, 36352, 48848, 52736, 58504, 70864, 97696, 117008, 141728, 195392, 234016, 283456, 314459, 390784, 468032, 566912, 628918, 781568, 936064, 1133824, 1257836, 1563136, 1872128, 2267648, 2515672, 3744256, 5031344, 10062688, 20125376, 40250752, 80501504, 161003008]

約数ペア:

[(1, 161003008), (2, 80501504), (4, 40250752), (8, 20125376), (16, 10062688), (32, 5031344), (43, 3744256), (64, 2515672), (71, 2267648), (86, 1872128), (103, 1563136), (128, 1257836), (142, 1133824), (172, 936064), (206, 781568), (256, 628918), (284, 566912), (344, 468032), (412, 390784), (512, 314459), (568, 283456), (688, 234016), (824, 195392), (1136, 141728), (1376, 117008), (1648, 97696), (2272, 70864), (2752, 58504), (3053, 52736), (3296, 48848), (4429, 36352), (4544, 35432), (5504, 29252), (6106, 26368), (6592, 24424), (7313, 22016), (8858, 18176), (9088, 17716), (11008, 14626), (12212, 13184)]