1221376

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{367}}^1$

素因数の和:396

約数の個数: 36

約数和(自身を含む): 2632672

約数和(自身を除く): 1411296

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 367, 416, 734, 832, 1468, 1664, 2936, 3328, 4771, 5872, 9542, 11744, 19084, 23488, 38168, 46976, 76336, 93952, 152672, 305344, 610688, 1221376]

約数ペア:

[(1, 1221376), (2, 610688), (4, 305344), (8, 152672), (13, 93952), (16, 76336), (26, 46976), (32, 38168), (52, 23488), (64, 19084), (104, 11744), (128, 9542), (208, 5872), (256, 4771), (367, 3328), (416, 2936), (734, 1664), (832, 1468)]