51203425

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{317}}^1$

素因数の和:418

約数の個数: 48

約数和(自身を含む): 79494912

約数和(自身を除く): 28291487

約数列:

[1, 5, 7, 13, 25, 35, 65, 71, 91, 175, 317, 325, 355, 455, 497, 923, 1585, 1775, 2219, 2275, 2485, 4121, 4615, 6461, 7925, 11095, 12425, 20605, 22507, 23075, 28847, 32305, 55475, 103025, 112535, 144235, 157549, 161525, 292591, 562675, 721175, 787745, 1462955, 2048137, 3938725, 7314775, 10240685, 51203425]

約数ペア:

[(1, 51203425), (5, 10240685), (7, 7314775), (13, 3938725), (25, 2048137), (35, 1462955), (65, 787745), (71, 721175), (91, 562675), (175, 292591), (317, 161525), (325, 157549), (355, 144235), (455, 112535), (497, 103025), (923, 55475), (1585, 32305), (1775, 28847), (2219, 23075), (2275, 22507), (2485, 20605), (4121, 12425), (4615, 11095), (6461, 7925)]