256739256

素因数分解:

$2^3\times 3^2\times {\mathrm{79}}^1\times {\mathrm{45137}}^1$

素因数の和:45228

約数の個数: 48

約数和(自身を含む): 704152800

約数和(自身を除く): 447413544

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 79, 158, 237, 316, 474, 632, 711, 948, 1422, 1896, 2844, 5688, 45137, 90274, 135411, 180548, 270822, 361096, 406233, 541644, 812466, 1083288, 1624932, 3249864, 3565823, 7131646, 10697469, 14263292, 21394938, 28526584, 32092407, 42789876, 64184814, 85579752, 128369628, 256739256]

約数ペア:

[(1, 256739256), (2, 128369628), (3, 85579752), (4, 64184814), (6, 42789876), (8, 32092407), (9, 28526584), (12, 21394938), (18, 14263292), (24, 10697469), (36, 7131646), (72, 3565823), (79, 3249864), (158, 1624932), (237, 1083288), (316, 812466), (474, 541644), (632, 406233), (711, 361096), (948, 270822), (1422, 180548), (1896, 135411), (2844, 90274), (5688, 45137)]