661139568

素因数分解:

$2^4\times 3^2\times {\mathrm{173}}^1\times {\mathrm{26539}}^1$

素因数の和:26726

約数の個数: 60

約数和(自身を含む): 1861037880

約数和(自身を除く): 1199898312

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 173, 346, 519, 692, 1038, 1384, 1557, 2076, 2768, 3114, 4152, 6228, 8304, 12456, 24912, 26539, 53078, 79617, 106156, 159234, 212312, 238851, 318468, 424624, 477702, 636936, 955404, 1273872, 1910808, 3821616, 4591247, 9182494, 13773741, 18364988, 27547482, 36729976, 41321223, 55094964, 73459952, 82642446, 110189928, 165284892, 220379856, 330569784, 661139568]

約数ペア:

[(1, 661139568), (2, 330569784), (3, 220379856), (4, 165284892), (6, 110189928), (8, 82642446), (9, 73459952), (12, 55094964), (16, 41321223), (18, 36729976), (24, 27547482), (36, 18364988), (48, 13773741), (72, 9182494), (144, 4591247), (173, 3821616), (346, 1910808), (519, 1273872), (692, 955404), (1038, 636936), (1384, 477702), (1557, 424624), (2076, 318468), (2768, 238851), (3114, 212312), (4152, 159234), (6228, 106156), (8304, 79617), (12456, 53078), (24912, 26539)]