260937872

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{9157}}^1$

素因数の和:9315

約数の個数: 40

約数和(自身を含む): 548490936

約数和(自身を除く): 287553064

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 137, 208, 274, 548, 1096, 1781, 2192, 3562, 7124, 9157, 14248, 18314, 28496, 36628, 73256, 119041, 146512, 238082, 476164, 952328, 1254509, 1904656, 2509018, 5018036, 10036072, 16308617, 20072144, 32617234, 65234468, 130468936, 260937872]

約数ペア:

[(1, 260937872), (2, 130468936), (4, 65234468), (8, 32617234), (13, 20072144), (16, 16308617), (26, 10036072), (52, 5018036), (104, 2509018), (137, 1904656), (208, 1254509), (274, 952328), (548, 476164), (1096, 238082), (1781, 146512), (2192, 119041), (3562, 73256), (7124, 36628), (9157, 28496), (14248, 18314)]