81959072

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{727}}^1$

素因数の和:1021

約数の個数: 48

約数和(自身を含む): 174650112

約数和(自身を除く): 92691040

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 271, 416, 542, 727, 1084, 1454, 2168, 2908, 3523, 4336, 5816, 7046, 8672, 9451, 11632, 14092, 18902, 23264, 28184, 37804, 56368, 75608, 112736, 151216, 197017, 302432, 394034, 788068, 1576136, 2561221, 3152272, 5122442, 6304544, 10244884, 20489768, 40979536, 81959072]

約数ペア:

[(1, 81959072), (2, 40979536), (4, 20489768), (8, 10244884), (13, 6304544), (16, 5122442), (26, 3152272), (32, 2561221), (52, 1576136), (104, 788068), (208, 394034), (271, 302432), (416, 197017), (542, 151216), (727, 112736), (1084, 75608), (1454, 56368), (2168, 37804), (2908, 28184), (3523, 23264), (4336, 18902), (5816, 14092), (7046, 11632), (8672, 9451)]