287711215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1\times {\mathrm{271}}^1$

素因数の和:583

約数の個数: 32

約数和(自身を含む): 383846400

約数和(自身を除く): 96135185

約数列:

[1, 5, 11, 55, 97, 199, 271, 485, 995, 1067, 1355, 2189, 2981, 5335, 10945, 14905, 19303, 26287, 53929, 96515, 131435, 212333, 269645, 289157, 593219, 1061665, 1445785, 2966095, 5231113, 26155565, 57542243, 287711215]

約数ペア:

[(1, 287711215), (5, 57542243), (11, 26155565), (55, 5231113), (97, 2966095), (199, 1445785), (271, 1061665), (485, 593219), (995, 289157), (1067, 269645), (1355, 212333), (2189, 131435), (2981, 96515), (5335, 53929), (10945, 26287), (14905, 19303)]