251397744

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{402881}}^1$

素因数の和:402905

約数の個数: 40

約数和(自身を含む): 699403152

約数和(自身を除く): 448005408

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 402881, 805762, 1208643, 1611524, 2417286, 3223048, 4834572, 5237453, 6446096, 9669144, 10474906, 15712359, 19338288, 20949812, 31424718, 41899624, 62849436, 83799248, 125698872, 251397744]

約数ペア:

[(1, 251397744), (2, 125698872), (3, 83799248), (4, 62849436), (6, 41899624), (8, 31424718), (12, 20949812), (13, 19338288), (16, 15712359), (24, 10474906), (26, 9669144), (39, 6446096), (48, 5237453), (52, 4834572), (78, 3223048), (104, 2417286), (156, 1611524), (208, 1208643), (312, 805762), (624, 402881)]