287685738

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{491}}^1\times {\mathrm{757}}^1$

素因数の和:1299

約数の個数: 48

約数和(自身を含む): 639958176

約数和(自身を除く): 352272438

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 491, 757, 774, 982, 1473, 1514, 2271, 2946, 4419, 4542, 6813, 8838, 13626, 21113, 32551, 42226, 63339, 65102, 97653, 126678, 190017, 195306, 292959, 371687, 380034, 585918, 743374, 1115061, 2230122, 3345183, 6690366, 15982541, 31965082, 47947623, 95895246, 143842869, 287685738]

約数ペア:

[(1, 287685738), (2, 143842869), (3, 95895246), (6, 47947623), (9, 31965082), (18, 15982541), (43, 6690366), (86, 3345183), (129, 2230122), (258, 1115061), (387, 743374), (491, 585918), (757, 380034), (774, 371687), (982, 292959), (1473, 195306), (1514, 190017), (2271, 126678), (2946, 97653), (4419, 65102), (4542, 63339), (6813, 42226), (8838, 32551), (13626, 21113)]