278311334

素因数分解:

$2^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{263}}^1\times {\mathrm{577}}^1$

素因数の和:980

約数の個数: 32

約数和(自身を含む): 483411456

約数和(自身を除く): 205100122

約数列:

[1, 2, 7, 14, 131, 262, 263, 526, 577, 917, 1154, 1834, 1841, 3682, 4039, 8078, 34453, 68906, 75587, 151174, 151751, 241171, 303502, 482342, 529109, 1058218, 1062257, 2124514, 19879381, 39758762, 139155667, 278311334]

約数ペア:

[(1, 278311334), (2, 139155667), (7, 39758762), (14, 19879381), (131, 2124514), (262, 1062257), (263, 1058218), (526, 529109), (577, 482342), (917, 303502), (1154, 241171), (1834, 151751), (1841, 151174), (3682, 75587), (4039, 68906), (8078, 34453)]