251447808

素因数分解:

$2^9\times 3^1\times {\mathrm{127}}^1\times {\mathrm{1289}}^1$

素因数の和:1437

約数の個数: 80

約数和(自身を含む): 675671040

約数和(自身を除く): 424223232

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 127, 128, 192, 254, 256, 381, 384, 508, 512, 762, 768, 1016, 1289, 1524, 1536, 2032, 2578, 3048, 3867, 4064, 5156, 6096, 7734, 8128, 10312, 12192, 15468, 16256, 20624, 24384, 30936, 32512, 41248, 48768, 61872, 65024, 82496, 97536, 123744, 163703, 164992, 195072, 247488, 327406, 329984, 491109, 494976, 654812, 659968, 982218, 989952, 1309624, 1964436, 1979904, 2619248, 3928872, 5238496, 7857744, 10476992, 15715488, 20953984, 31430976, 41907968, 62861952, 83815936, 125723904, 251447808]

約数ペア:

[(1, 251447808), (2, 125723904), (3, 83815936), (4, 62861952), (6, 41907968), (8, 31430976), (12, 20953984), (16, 15715488), (24, 10476992), (32, 7857744), (48, 5238496), (64, 3928872), (96, 2619248), (127, 1979904), (128, 1964436), (192, 1309624), (254, 989952), (256, 982218), (381, 659968), (384, 654812), (508, 494976), (512, 491109), (762, 329984), (768, 327406), (1016, 247488), (1289, 195072), (1524, 164992), (1536, 163703), (2032, 123744), (2578, 97536), (3048, 82496), (3867, 65024), (4064, 61872), (5156, 48768), (6096, 41248), (7734, 32512), (8128, 30936), (10312, 24384), (12192, 20624), (15468, 16256)]