28988204

素因数分解:

$2^2\times 7^2\times {\mathrm{131}}^1\times {\mathrm{1129}}^1$

素因数の和:1278

約数の個数: 36

約数和(自身を含む): 59514840

約数和(自身を除く): 30526636

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 131, 196, 262, 524, 917, 1129, 1834, 2258, 3668, 4516, 6419, 7903, 12838, 15806, 25676, 31612, 55321, 110642, 147899, 221284, 295798, 591596, 1035293, 2070586, 4141172, 7247051, 14494102, 28988204]

約数ペア:

[(1, 28988204), (2, 14494102), (4, 7247051), (7, 4141172), (14, 2070586), (28, 1035293), (49, 591596), (98, 295798), (131, 221284), (196, 147899), (262, 110642), (524, 55321), (917, 31612), (1129, 25676), (1834, 15806), (2258, 12838), (3668, 7903), (4516, 6419)]