1277456912

素因数分解:

$2^4\times {\mathrm{173}}^1\times {\mathrm{239}}^1\times {\mathrm{1931}}^1$

素因数の和:2351

約数の個数: 40

約数和(自身を含む): 2501089920

約数和(自身を除く): 1223633008

約数列:

[1, 2, 4, 8, 16, 173, 239, 346, 478, 692, 956, 1384, 1912, 1931, 2768, 3824, 3862, 7724, 15448, 30896, 41347, 82694, 165388, 330776, 334063, 461509, 661552, 668126, 923018, 1336252, 1846036, 2672504, 3692072, 5345008, 7384144, 79841057, 159682114, 319364228, 638728456, 1277456912]

約数ペア:

[(1, 1277456912), (2, 638728456), (4, 319364228), (8, 159682114), (16, 79841057), (173, 7384144), (239, 5345008), (346, 3692072), (478, 2672504), (692, 1846036), (956, 1336252), (1384, 923018), (1912, 668126), (1931, 661552), (2768, 461509), (3824, 334063), (3862, 330776), (7724, 165388), (15448, 82694), (30896, 41347)]