247751556

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{42923}}^1$

素因数の和:42980

約数の個数: 48

約数和(自身を含む): 639395904

約数和(自身を除く): 391644348

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 37, 39, 52, 74, 78, 111, 148, 156, 222, 444, 481, 962, 1443, 1924, 2886, 5772, 42923, 85846, 128769, 171692, 257538, 515076, 557999, 1115998, 1588151, 1673997, 2231996, 3176302, 3347994, 4764453, 6352604, 6695988, 9528906, 19057812, 20645963, 41291926, 61937889, 82583852, 123875778, 247751556]

約数ペア:

[(1, 247751556), (2, 123875778), (3, 82583852), (4, 61937889), (6, 41291926), (12, 20645963), (13, 19057812), (26, 9528906), (37, 6695988), (39, 6352604), (52, 4764453), (74, 3347994), (78, 3176302), (111, 2231996), (148, 1673997), (156, 1588151), (222, 1115998), (444, 557999), (481, 515076), (962, 257538), (1443, 171692), (1924, 128769), (2886, 85846), (5772, 42923)]